## Releases
* Ubuntu 18.04 LTS
* Ubuntu 16.04 ESM
## Packages
* linux \- Linux kernel
* linux-aws \- Linux kernel for Amazon Web Services (AWS) systems
* linux-aws-hwe \- Linux kernel for Amazon Web Services (AWS-HWE) systems
* linux-azure-4.15 \- Linux kernel for Microsoft Azure Cloud systems
* linux-dell300x \- Linux kernel for Dell 300x platforms
* linux-gcp \- Linux kernel for Google Cloud Platform (GCP) systems
* linux-gcp-4.15 \- Linux kernel for Google Cloud Platform (GCP) systems
* linux-hwe \- Linux hardware enablement (HWE) kernel
* linux-kvm \- Linux kernel for cloud environments
* linux-oracle \- Linux kernel for Oracle Cloud systems
* linux-raspi2 \- Linux kernel for Raspberry Pi systems
* linux-snapdragon \- Linux kernel for Qualcomm Snapdragon processors
It was discovered that the framebuffer driver on the Linux kernel did not
verify size limits when changing font or screen size, leading to an out-of-
bounds write. A local attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2021-33655)
Domingo Dirutigliano and Nicola Guerrera discovered that the netfilter
subsystem in the Linux kernel did not properly handle rules that truncated
packets below the packet header size. When such rules are in place, a
remote attacker could possibly use this to cause a denial of service
(system crash). (CVE-2022-36946)
{"ubuntu": [{"lastseen": "2023-01-26T15:07:59", "description": "## Releases\n\n * Ubuntu 16.04 ESM\n * Ubuntu 14.04 ESM\n\n## Packages\n\n * linux-azure \\- Linux kernel for Microsoft Azure Cloud systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-10-03T00:00:00", "type": "ubuntu", "title": "Linux kernel (Azure) vulnerabilities", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2021-33655", "CVE-2022-36946"], "modified": "2022-10-03T00:00:00", "id": "USN-5652-1", "href": "https://ubuntu.com/security/notices/USN-5652-1", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-01-26T15:09:19", "description": "## Releases\n\n * Ubuntu 16.04 ESM\n\n## Packages\n\n * linux-aws \\- Linux kernel for Amazon Web Services (AWS) systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nIt was discovered that the virtual terminal driver in the Linux kernel did \nnot properly handle VGA console font changes, leading to an out-of-bounds \nwrite. A local attacker could use this to cause a denial of service (system \ncrash) or possibly execute arbitrary code. (CVE-2021-33656)\n\nIt was discovered that the Packet network protocol implementation in the \nLinux kernel contained an out-of-bounds access. A remote attacker could use \nthis to expose sensitive information (kernel memory). (CVE-2022-20368)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-08-24T00:00:00", "type": "ubuntu", "title": "Linux kernel (AWS) vulnerabilities", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2021-33655", "CVE-2021-33656", "CVE-2022-20368", "CVE-2022-36946"], "modified": "2022-08-24T00:00:00", "id": "USN-5580-1", "href": "https://ubuntu.com/security/notices/USN-5580-1", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-01-26T15:09:10", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * linux-oem-5.14 \\- Linux kernel for OEM systems\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash).\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-08-30T00:00:00", "type": "ubuntu", "title": "Linux kernel (OEM) vulnerability", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2022-36946"], "modified": "2022-08-30T00:00:00", "id": "USN-5590-1", "href": "https://ubuntu.com/security/notices/USN-5590-1", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-01-26T15:08:16", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-oem-5.17 \\- Linux kernel for OEM systems\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash).\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-09-22T00:00:00", "type": "ubuntu", "title": "Linux kernel (OEM) vulnerability", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2022-36946"], "modified": "2022-09-22T00:00:00", "id": "USN-5634-1", "href": "https://ubuntu.com/security/notices/USN-5634-1", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-01-26T15:08:16", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * linux-azure-fde \\- Linux kernel for Microsoft Azure CVM cloud systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nMoshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation \nin the Linux kernel did not provide sufficient randomization when \ncalculating port offsets. An attacker could possibly use this to expose \nsensitive information. (CVE-2022-1012, CVE-2022-32296)\n\nNorbert Slusarek discovered that a race condition existed in the perf \nsubsystem in the Linux kernel, resulting in a use-after-free vulnerability. \nA privileged local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2022-1729)\n\nIt was discovered that the device-mapper verity (dm-verity) driver in the \nLinux kernel did not properly verify targets being loaded into the device- \nmapper table. A privileged attacker could use this to cause a denial of \nservice (system crash) or possibly execute arbitrary code. (CVE-2022-2503)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 8.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.2}, "published": "2022-09-26T00:00:00", "type": "ubuntu", "title": "Linux kernel (Azure CVM) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-2503", "CVE-2022-32296", "CVE-2022-36946"], "modified": "2022-09-26T00:00:00", "id": "USN-5639-1", "href": "https://ubuntu.com/security/notices/USN-5639-1", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-02-09T08:23:21", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n * Ubuntu 18.04 LTS\n\n## Packages\n\n * linux \\- Linux kernel\n * linux-aws \\- Linux kernel for Amazon Web Services (AWS) systems\n * linux-aws-5.4 \\- Linux kernel for Amazon Web Services (AWS) systems\n * linux-azure \\- Linux kernel for Microsoft Azure Cloud systems\n * linux-azure-5.4 \\- Linux kernel for Microsoft Azure cloud systems\n * linux-bluefield \\- Linux kernel for NVIDIA BlueField platforms\n * linux-gkeop \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-hwe-5.4 \\- Linux hardware enablement (HWE) kernel\n * linux-ibm \\- Linux kernel for IBM cloud systems\n * linux-ibm-5.4 \\- Linux kernel for IBM cloud systems\n * linux-kvm \\- Linux kernel for cloud environments\n * linux-oracle \\- Linux kernel for Oracle Cloud systems\n * linux-oracle-5.4 \\- Linux kernel for Oracle Cloud systems\n * linux-raspi \\- Linux kernel for Raspberry Pi systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nMoshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation \nin the Linux kernel did not provide sufficient randomization when \ncalculating port offsets. An attacker could possibly use this to expose \nsensitive information. (CVE-2022-1012, CVE-2022-32296)\n\nNorbert Slusarek discovered that a race condition existed in the perf \nsubsystem in the Linux kernel, resulting in a use-after-free vulnerability. \nA privileged local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2022-1729)\n\nIt was discovered that the device-mapper verity (dm-verity) driver in the \nLinux kernel did not properly verify targets being loaded into the device- \nmapper table. A privileged attacker could use this to cause a denial of \nservice (system crash) or possibly execute arbitrary code. (CVE-2022-2503)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 8.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.2}, "published": "2022-09-21T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-2503", "CVE-2022-32296", "CVE-2022-36946"], "modified": "2022-09-21T00:00:00", "id": "USN-5622-1", "href": "https://ubuntu.com/security/notices/USN-5622-1", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-01-26T15:08:17", "description": "## Releases\n\n * Ubuntu 18.04 LTS\n\n## Packages\n\n * linux-raspi-5.4 \\- Linux kernel for Raspberry Pi systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nMoshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation \nin the Linux kernel did not provide sufficient randomization when \ncalculating port offsets. An attacker could possibly use this to expose \nsensitive information. (CVE-2022-1012, CVE-2022-32296)\n\nNorbert Slusarek discovered that a race condition existed in the perf \nsubsystem in the Linux kernel, resulting in a use-after-free vulnerability. \nA privileged local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2022-1729)\n\nIt was discovered that the device-mapper verity (dm-verity) driver in the \nLinux kernel did not properly verify targets being loaded into the device- \nmapper table. A privileged attacker could use this to cause a denial of \nservice (system crash) or possibly execute arbitrary code. (CVE-2022-2503)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 8.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.2}, "published": "2022-09-22T00:00:00", "type": "ubuntu", "title": "Linux kernel (Raspberry Pi) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-2503", "CVE-2022-32296", "CVE-2022-36946"], "modified": "2022-09-22T00:00:00", "id": "USN-5630-1", "href": "https://ubuntu.com/security/notices/USN-5630-1", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-01-26T15:07:54", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * linux-gke \\- Linux kernel for Google Container Engine (GKE) systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nMoshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation \nin the Linux kernel did not provide sufficient randomization when \ncalculating port offsets. An attacker could possibly use this to expose \nsensitive information. (CVE-2022-1012, CVE-2022-32296)\n\nNorbert Slusarek discovered that a race condition existed in the perf \nsubsystem in the Linux kernel, resulting in a use-after-free vulnerability. \nA privileged local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2022-1729)\n\nIt was discovered that the device-mapper verity (dm-verity) driver in the \nLinux kernel did not properly verify targets being loaded into the device- \nmapper table. A privileged attacker could use this to cause a denial of \nservice (system crash) or possibly execute arbitrary code. (CVE-2022-2503)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 8.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.2}, "published": "2022-10-04T00:00:00", "type": "ubuntu", "title": "Linux kernel (GKE) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-2503", "CVE-2022-32296", "CVE-2022-36946"], "modified": "2022-10-04T00:00:00", "id": "USN-5654-1", "href": "https://ubuntu.com/security/notices/USN-5654-1", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-01-26T15:07:48", "description": "## Releases\n\n * Ubuntu 18.04 LTS\n\n## Packages\n\n * linux-gcp-5.4 \\- Linux kernel for Google Cloud Platform (GCP) systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nMoshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation \nin the Linux kernel did not provide sufficient randomization when \ncalculating port offsets. An attacker could possibly use this to expose \nsensitive information. (CVE-2022-1012, CVE-2022-32296)\n\nNorbert Slusarek discovered that a race condition existed in the perf \nsubsystem in the Linux kernel, resulting in a use-after-free vulnerability. \nA privileged local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2022-1729)\n\nIt was discovered that the device-mapper verity (dm-verity) driver in the \nLinux kernel did not properly verify targets being loaded into the device- \nmapper table. A privileged attacker could use this to cause a denial of \nservice (system crash) or possibly execute arbitrary code. (CVE-2022-2503)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 8.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.2}, "published": "2022-10-06T00:00:00", "type": "ubuntu", "title": "Linux kernel (GCP) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-2503", "CVE-2022-32296", "CVE-2022-36946"], "modified": "2022-10-06T00:00:00", "id": "USN-5660-1", "href": "https://ubuntu.com/security/notices/USN-5660-1", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-01-26T15:08:04", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * linux-gcp \\- Linux kernel for Google Cloud Platform (GCP) systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nMoshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation \nin the Linux kernel did not provide sufficient randomization when \ncalculating port offsets. An attacker could possibly use this to expose \nsensitive information. (CVE-2022-1012, CVE-2022-32296)\n\nNorbert Slusarek discovered that a race condition existed in the perf \nsubsystem in the Linux kernel, resulting in a use-after-free vulnerability. \nA privileged local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2022-1729)\n\nIt was discovered that the device-mapper verity (dm-verity) driver in the \nLinux kernel did not properly verify targets being loaded into the device- \nmapper table. A privileged attacker could use this to cause a denial of \nservice (system crash) or possibly execute arbitrary code. (CVE-2022-2503)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 8.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.2}, "published": "2022-09-28T00:00:00", "type": "ubuntu", "title": "Linux kernel (GCP) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-2503", "CVE-2022-32296", "CVE-2022-36946"], "modified": "2022-09-28T00:00:00", "id": "USN-5647-1", "href": "https://ubuntu.com/security/notices/USN-5647-1", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-01-26T15:09:05", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-oem-5.17 \\- Linux kernel for OEM systems\n\nAsaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) \nEthernet driver for the Linux kernel performed insufficient control flow \nmanagement. A local attacker could possibly use this to cause a denial of \nservice. (CVE-2021-33061)\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n", "cvss3": {"exploitabilityScore": 0.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "baseScore": 6.7, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-09-02T00:00:00", "type": "ubuntu", "title": "Linux kernel (OEM) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33061", "CVE-2021-33655"], "modified": "2022-09-02T00:00:00", "id": "USN-5596-1", "href": "https://ubuntu.com/security/notices/USN-5596-1", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-01-26T15:09:25", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * linux-oem-5.14 \\- Linux kernel for OEM systems\n\nAsaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) \nEthernet driver for the Linux kernel performed insufficient control flow \nmanagement. A local attacker could possibly use this to cause a denial of \nservice. (CVE-2021-33061)\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n", "cvss3": {"exploitabilityScore": 0.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "baseScore": 6.7, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-08-24T00:00:00", "type": "ubuntu", "title": "Linux kernel (OEM) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33061", "CVE-2021-33655"], "modified": "2022-08-24T00:00:00", "id": "USN-5577-1", "href": "https://ubuntu.com/security/notices/USN-5577-1", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-01-26T15:08:12", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-oracle \\- Linux kernel for Oracle Cloud systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nDuoming Zhou discovered that race conditions existed in the timer handling \nimplementation of the Linux kernel's Rose X.25 protocol layer, resulting in \nuse-after-free vulnerabilities. A local attacker could use this to cause a \ndenial of service (system crash). (CVE-2022-2318)\n\nRoger Pau Monn\u00e9 discovered that the Xen virtual block driver in the Linux \nkernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-26365)\n\nRoger Pau Monn\u00e9 discovered that the Xen paravirtualization frontend in the \nLinux kernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-33740)\n\nIt was discovered that the Xen paravirtualization frontend in the Linux \nkernel incorrectly shared unrelated data when communicating with certain \nbackends. A local attacker could use this to cause a denial of service \n(guest crash) or expose sensitive information (guest kernel memory). \n(CVE-2022-33741, CVE-2022-33742)\n\nJan Beulich discovered that the Xen network device frontend driver in the \nLinux kernel incorrectly handled socket buffers (skb) references when \ncommunicating with certain backends. A local attacker could use this to \ncause a denial of service (guest crash). (CVE-2022-33743)\n\nOleksandr Tyshchenko discovered that the Xen paravirtualization platform in \nthe Linux kernel on ARM platforms contained a race condition in certain \nsituations. An attacker in a guest VM could use this to cause a denial of \nservice in the host OS. (CVE-2022-33744)\n\nIt was discovered that the virtio RPMSG bus driver in the Linux kernel \ncontained a double-free vulnerability in certain error conditions. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-34494, CVE-2022-34495)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-09-26T00:00:00", "type": "ubuntu", "title": "Linux kernel (Oracle) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34494", "CVE-2022-34495", "CVE-2022-36946"], "modified": "2022-09-26T00:00:00", "id": "USN-5640-1", "href": "https://ubuntu.com/security/notices/USN-5640-1", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-01-26T15:08:06", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * linux-gcp-5.15 \\- Linux kernel for Google Cloud Platform (GCP) systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nDuoming Zhou discovered that race conditions existed in the timer handling \nimplementation of the Linux kernel's Rose X.25 protocol layer, resulting in \nuse-after-free vulnerabilities. A local attacker could use this to cause a \ndenial of service (system crash). (CVE-2022-2318)\n\nRoger Pau Monn\u00e9 discovered that the Xen virtual block driver in the Linux \nkernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-26365)\n\nRoger Pau Monn\u00e9 discovered that the Xen paravirtualization frontend in the \nLinux kernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-33740)\n\nIt was discovered that the Xen paravirtualization frontend in the Linux \nkernel incorrectly shared unrelated data when communicating with certain \nbackends. A local attacker could use this to cause a denial of service \n(guest crash) or expose sensitive information (guest kernel memory). \n(CVE-2022-33741, CVE-2022-33742)\n\nJan Beulich discovered that the Xen network device frontend driver in the \nLinux kernel incorrectly handled socket buffers (skb) references when \ncommunicating with certain backends. A local attacker could use this to \ncause a denial of service (guest crash). (CVE-2022-33743)\n\nOleksandr Tyshchenko discovered that the Xen paravirtualization platform in \nthe Linux kernel on ARM platforms contained a race condition in certain \nsituations. An attacker in a guest VM could use this to cause a denial of \nservice in the host OS. (CVE-2022-33744)\n\nIt was discovered that the virtio RPMSG bus driver in the Linux kernel \ncontained a double-free vulnerability in certain error conditions. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-34494, CVE-2022-34495)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-09-27T00:00:00", "type": "ubuntu", "title": "Linux kernel (GCP) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34494", "CVE-2022-34495", "CVE-2022-36946"], "modified": "2022-09-27T00:00:00", "id": "USN-5644-1", "href": "https://ubuntu.com/security/notices/USN-5644-1", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-01-26T15:08:15", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-gkeop \\- Linux kernel for Google Container Engine (GKE) systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nDuoming Zhou discovered that race conditions existed in the timer handling \nimplementation of the Linux kernel's Rose X.25 protocol layer, resulting in \nuse-after-free vulnerabilities. A local attacker could use this to cause a \ndenial of service (system crash). (CVE-2022-2318)\n\nRoger Pau Monn\u00e9 discovered that the Xen virtual block driver in the Linux \nkernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-26365)\n\nRoger Pau Monn\u00e9 discovered that the Xen paravirtualization frontend in the \nLinux kernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-33740)\n\nIt was discovered that the Xen paravirtualization frontend in the Linux \nkernel incorrectly shared unrelated data when communicating with certain \nbackends. A local attacker could use this to cause a denial of service \n(guest crash) or expose sensitive information (guest kernel memory). \n(CVE-2022-33741, CVE-2022-33742)\n\nJan Beulich discovered that the Xen network device frontend driver in the \nLinux kernel incorrectly handled socket buffers (skb) references when \ncommunicating with certain backends. A local attacker could use this to \ncause a denial of service (guest crash). (CVE-2022-33743)\n\nOleksandr Tyshchenko discovered that the Xen paravirtualization platform in \nthe Linux kernel on ARM platforms contained a race condition in certain \nsituations. An attacker in a guest VM could use this to cause a denial of \nservice in the host OS. (CVE-2022-33744)\n\nIt was discovered that the virtio RPMSG bus driver in the Linux kernel \ncontained a double-free vulnerability in certain error conditions. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-34494, CVE-2022-34495)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-09-23T00:00:00", "type": "ubuntu", "title": "Linux kernel (GKE) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34494", "CVE-2022-34495", "CVE-2022-36946"], "modified": "2022-09-23T00:00:00", "id": "USN-5635-1", "href": "https://ubuntu.com/security/notices/USN-5635-1", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-01-26T15:08:16", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-gcp \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gke \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-raspi \\- Linux kernel for Raspberry Pi systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nDuoming Zhou discovered that race conditions existed in the timer handling \nimplementation of the Linux kernel's Rose X.25 protocol layer, resulting in \nuse-after-free vulnerabilities. A local attacker could use this to cause a \ndenial of service (system crash). (CVE-2022-2318)\n\nRoger Pau Monn\u00e9 discovered that the Xen virtual block driver in the Linux \nkernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-26365)\n\nRoger Pau Monn\u00e9 discovered that the Xen paravirtualization frontend in the \nLinux kernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-33740)\n\nIt was discovered that the Xen paravirtualization frontend in the Linux \nkernel incorrectly shared unrelated data when communicating with certain \nbackends. A local attacker could use this to cause a denial of service \n(guest crash) or expose sensitive information (guest kernel memory). \n(CVE-2022-33741, CVE-2022-33742)\n\nJan Beulich discovered that the Xen network device frontend driver in the \nLinux kernel incorrectly handled socket buffers (skb) references when \ncommunicating with certain backends. A local attacker could use this to \ncause a denial of service (guest crash). (CVE-2022-33743)\n\nOleksandr Tyshchenko discovered that the Xen paravirtualization platform in \nthe Linux kernel on ARM platforms contained a race condition in certain \nsituations. An attacker in a guest VM could use this to cause a denial of \nservice in the host OS. (CVE-2022-33744)\n\nIt was discovered that the virtio RPMSG bus driver in the Linux kernel \ncontained a double-free vulnerability in certain error conditions. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-34494, CVE-2022-34495)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-09-22T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34494", "CVE-2022-34495", "CVE-2022-36946"], "modified": "2022-09-22T00:00:00", "id": "USN-5633-1", "href": "https://ubuntu.com/security/notices/USN-5633-1", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-01-26T15:07:55", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-intel-iotg \\- Linux kernel for Intel IoT platforms\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nDuoming Zhou discovered that race conditions existed in the timer handling \nimplementation of the Linux kernel's Rose X.25 protocol layer, resulting in \nuse-after-free vulnerabilities. A local attacker could use this to cause a \ndenial of service (system crash). (CVE-2022-2318)\n\nRoger Pau Monn\u00e9 discovered that the Xen virtual block driver in the Linux \nkernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-26365)\n\nRoger Pau Monn\u00e9 discovered that the Xen paravirtualization frontend in the \nLinux kernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-33740)\n\nIt was discovered that the Xen paravirtualization frontend in the Linux \nkernel incorrectly shared unrelated data when communicating with certain \nbackends. A local attacker could use this to cause a denial of service \n(guest crash) or expose sensitive information (guest kernel memory). \n(CVE-2022-33741, CVE-2022-33742)\n\nJan Beulich discovered that the Xen network device frontend driver in the \nLinux kernel incorrectly handled socket buffers (skb) references when \ncommunicating with certain backends. A local attacker could use this to \ncause a denial of service (guest crash). (CVE-2022-33743)\n\nOleksandr Tyshchenko discovered that the Xen paravirtualization platform in \nthe Linux kernel on ARM platforms contained a race condition in certain \nsituations. An attacker in a guest VM could use this to cause a denial of \nservice in the host OS. (CVE-2022-33744)\n\nIt was discovered that the virtio RPMSG bus driver in the Linux kernel \ncontained a double-free vulnerability in certain error conditions. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-34494, CVE-2022-34495)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-10-04T00:00:00", "type": "ubuntu", "title": "Linux kernel (Intel IoTG) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34494", "CVE-2022-34495", "CVE-2022-36946"], "modified": "2022-10-04T00:00:00", "id": "USN-5655-1", "href": "https://ubuntu.com/security/notices/USN-5655-1", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-01-26T15:08:05", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * linux-gke-5.15 \\- Linux kernel for Google Container Engine (GKE) systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nDuoming Zhou discovered that race conditions existed in the timer handling \nimplementation of the Linux kernel's Rose X.25 protocol layer, resulting in \nuse-after-free vulnerabilities. A local attacker could use this to cause a \ndenial of service (system crash). (CVE-2022-2318)\n\nRoger Pau Monn\u00e9 discovered that the Xen virtual block driver in the Linux \nkernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-26365)\n\nRoger Pau Monn\u00e9 discovered that the Xen paravirtualization frontend in the \nLinux kernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-33740)\n\nIt was discovered that the Xen paravirtualization frontend in the Linux \nkernel incorrectly shared unrelated data when communicating with certain \nbackends. A local attacker could use this to cause a denial of service \n(guest crash) or expose sensitive information (guest kernel memory). \n(CVE-2022-33741, CVE-2022-33742)\n\nJan Beulich discovered that the Xen network device frontend driver in the \nLinux kernel incorrectly handled socket buffers (skb) references when \ncommunicating with certain backends. A local attacker could use this to \ncause a denial of service (guest crash). (CVE-2022-33743)\n\nOleksandr Tyshchenko discovered that the Xen paravirtualization platform in \nthe Linux kernel on ARM platforms contained a race condition in certain \nsituations. An attacker in a guest VM could use this to cause a denial of \nservice in the host OS. (CVE-2022-33744)\n\nIt was discovered that the virtio RPMSG bus driver in the Linux kernel \ncontained a double-free vulnerability in certain error conditions. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-34494, CVE-2022-34495)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-09-30T00:00:00", "type": "ubuntu", "title": "Linux kernel (GKE) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34494", "CVE-2022-34495", "CVE-2022-36946"], "modified": "2022-09-30T00:00:00", "id": "USN-5648-1", "href": "https://ubuntu.com/security/notices/USN-5648-1", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-01-26T15:08:26", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * linux \\- Linux kernel\n * linux-aws \\- Linux kernel for Amazon Web Services (AWS) systems\n * linux-aws-5.15 \\- Linux kernel for Amazon Web Services (AWS) systems\n * linux-azure \\- Linux kernel for Microsoft Azure Cloud systems\n * linux-azure-5.15 \\- Linux kernel for Microsoft Azure cloud systems\n * linux-kvm \\- Linux kernel for cloud environments\n * linux-lowlatency \\- Linux low latency kernel\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nDuoming Zhou discovered that race conditions existed in the timer handling \nimplementation of the Linux kernel's Rose X.25 protocol layer, resulting in \nuse-after-free vulnerabilities. A local attacker could use this to cause a \ndenial of service (system crash). (CVE-2022-2318)\n\nRoger Pau Monn\u00e9 discovered that the Xen virtual block driver in the Linux \nkernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-26365)\n\nRoger Pau Monn\u00e9 discovered that the Xen paravirtualization frontend in the \nLinux kernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-33740)\n\nIt was discovered that the Xen paravirtualization frontend in the Linux \nkernel incorrectly shared unrelated data when communicating with certain \nbackends. A local attacker could use this to cause a denial of service \n(guest crash) or expose sensitive information (guest kernel memory). \n(CVE-2022-33741, CVE-2022-33742)\n\nJan Beulich discovered that the Xen network device frontend driver in the \nLinux kernel incorrectly handled socket buffers (skb) references when \ncommunicating with certain backends. A local attacker could use this to \ncause a denial of service (guest crash). (CVE-2022-33743)\n\nOleksandr Tyshchenko discovered that the Xen paravirtualization platform in \nthe Linux kernel on ARM platforms contained a race condition in certain \nsituations. An attacker in a guest VM could use this to cause a denial of \nservice in the host OS. (CVE-2022-33744)\n\nIt was discovered that the virtio RPMSG bus driver in the Linux kernel \ncontained a double-free vulnerability in certain error conditions. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-34494, CVE-2022-34495)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-09-21T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34494", "CVE-2022-34495", "CVE-2022-36946"], "modified": "2022-09-21T00:00:00", "id": "USN-5624-1", "href": "https://ubuntu.com/security/notices/USN-5624-1", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-01-26T15:08:03", "description": "## Releases\n\n * Ubuntu 16.04 ESM\n * Ubuntu 14.04 ESM\n\n## Packages\n\n * linux \\- Linux kernel\n * linux-aws \\- Linux kernel for Amazon Web Services (AWS) systems\n * linux-kvm \\- Linux kernel for cloud environments\n * linux-lts-xenial \\- Linux hardware enablement kernel from Xenial for Trusty\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nIt was discovered that the virtual terminal driver in the Linux kernel did \nnot properly handle VGA console font changes, leading to an out-of-bounds \nwrite. A local attacker could use this to cause a denial of service (system \ncrash) or possibly execute arbitrary code. (CVE-2021-33656)\n\nChristian Brauner discovered that the XFS file system implementation in the \nLinux kernel did not properly handle setgid file creation. A local attacker \ncould use this to gain elevated privileges. (CVE-2021-4037)\n\nIt was discovered that the ext4 file system implementation in the Linux \nkernel did not properly initialize memory in some situations. A privileged \nlocal attacker could use this to expose sensitive information (kernel \nmemory). (CVE-2022-0850)\n\nDuoming Zhou discovered that the AX.25 amateur radio protocol \nimplementation in the Linux kernel did not handle detach events properly in \nsome situations. A local attacker could possibly use this to cause a denial \nof service (system crash) or execute arbitrary code. (CVE-2022-1199)\n\nDuoming Zhou discovered race conditions in the AX.25 amateur radio protocol \nimplementation in the Linux kernel during device detach operations. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-1204)\n\nNorbert Slusarek discovered that a race condition existed in the perf \nsubsystem in the Linux kernel, resulting in a use-after-free vulnerability. \nA privileged local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2022-1729)\n\nIt was discovered that the Packet network protocol implementation in the \nLinux kernel contained an out-of-bounds access. A remote attacker could use \nthis to expose sensitive information (kernel memory). (CVE-2022-20368)\n\nIt was discovered that the Open vSwitch implementation in the Linux kernel \ncontained an out of bounds write vulnerability in certain situations. A \nlocal attacker could use this to cause a denial of service (system crash) \nor possibly execute arbitrary code. (CVE-2022-2639)\n\nJann Horn discovered that the ASIX AX88179/178A USB Ethernet driver in the \nLinux kernel contained multiple out-of-bounds vulnerabilities. A local \nattacker with physical access could plug in a specially crafted USB device \nto cause a denial of service (system crash) or possibly execute arbitrary \ncode. (CVE-2022-2964)\n\nHao Sun and Jiacheng Xu discovered that the NILFS file system \nimplementation in the Linux kernel contained a use-after-free \nvulnerability. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2022-2978)\n\nAbhishek Shah discovered a race condition in the PF_KEYv2 implementation in \nthe Linux kernel. A local attacker could use this to cause a denial of \nservice (system crash) or possibly expose sensitive information (kernel \nmemory). (CVE-2022-3028)\n\nIt was discovered that the Journaled File System (JFS) in the Linux kernel \ncontained a null pointer dereference in some situations. A local attacker \ncould use this to cause a denial of service (system crash). (CVE-2022-3202)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-09-30T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2021-33655", "CVE-2021-33656", "CVE-2021-4037", "CVE-2022-0850", "CVE-2022-1199", "CVE-2022-1204", "CVE-2022-1729", "CVE-2022-20368", "CVE-2022-2639", "CVE-2022-2964", "CVE-2022-2978", "CVE-2022-3028", "CVE-2022-3202", "CVE-2022-36946"], "modified": "2022-09-30T00:00:00", "id": "USN-5650-1", "href": "https://ubuntu.com/security/notices/USN-5650-1", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-01-26T15:07:31", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-ibm \\- Linux kernel for IBM cloud systems\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nSelim Enes Karaduman discovered that a race condition existed in the \nGeneral notification queue implementation of the Linux kernel, leading to a \nuse-after-free vulnerability. A local attacker could use this to cause a \ndenial of service (system crash) or possibly execute arbitrary code. \n(CVE-2022-1882)\n\nDuoming Zhou discovered that race conditions existed in the timer handling \nimplementation of the Linux kernel's Rose X.25 protocol layer, resulting in \nuse-after-free vulnerabilities. A local attacker could use this to cause a \ndenial of service (system crash). (CVE-2022-2318)\n\nRoger Pau Monn\u00e9 discovered that the Xen virtual block driver in the Linux \nkernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-26365)\n\nPawan Kumar Gupta, Alyssa Milburn, Amit Peled, Shani Rehana, Nir Shildan \nand Ariel Sabba discovered that some Intel processors with Enhanced \nIndirect Branch Restricted Speculation (eIBRS) did not properly handle RET \ninstructions after a VM exits. A local attacker could potentially use this \nto expose sensitive information. (CVE-2022-26373)\n\nEric Biggers discovered that a use-after-free vulnerability existed in the \nio_uring subsystem in the Linux kernel. A local attacker could possibly use \nthis to cause a denial of service (system crash) or possibly execute \narbitrary code. (CVE-2022-3176)\n\nRoger Pau Monn\u00e9 discovered that the Xen paravirtualization frontend in the \nLinux kernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-33740)\n\nIt was discovered that the Xen paravirtualization frontend in the Linux \nkernel incorrectly shared unrelated data when communicating with certain \nbackends. A local attacker could use this to cause a denial of service \n(guest crash) or expose sensitive information (guest kernel memory). \n(CVE-2022-33741, CVE-2022-33742)\n\nJan Beulich discovered that the Xen network device frontend driver in the \nLinux kernel incorrectly handled socket buffers (skb) references when \ncommunicating with certain backends. A local attacker could use this to \ncause a denial of service (guest crash). (CVE-2022-33743)\n\nOleksandr Tyshchenko discovered that the Xen paravirtualization platform in \nthe Linux kernel on ARM platforms contained a race condition in certain \nsituations. An attacker in a guest VM could use this to cause a denial of \nservice in the host OS. (CVE-2022-33744)\n\nIt was discovered that the virtio RPMSG bus driver in the Linux kernel \ncontained a double-free vulnerability in certain error conditions. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-34494, CVE-2022-34495)\n\nIt was discovered that the Netlink Transformation (XFRM) subsystem in the \nLinux kernel contained a reference counting error. A local attacker could \nuse this to cause a denial of service (system crash). (CVE-2022-36879)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). (CVE-2022-36946)\n\nJann Horn discovered that the KVM subsystem in the Linux kernel did not \nproperly handle TLB flush operations in some situations. A local attacker \nin a guest VM could use this to cause a denial of service (guest crash) or \npossibly execute arbitrary code in the guest kernel. 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A local attacker could possibly use this to cause a denial of \nservice. (CVE-2021-33061)\n\nIt was discovered that the framebuffer driver on the Linux kernel did not \nverify size limits when changing font or screen size, leading to an out-of- \nbounds write. A local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2021-33655)\n\nMoshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation \nin the Linux kernel did not provide sufficient randomization when \ncalculating port offsets. An attacker could possibly use this to expose \nsensitive information. (CVE-2022-1012, CVE-2022-32296)\n\nNorbert Slusarek discovered that a race condition existed in the perf \nsubsystem in the Linux kernel, resulting in a use-after-free vulnerability. \nA privileged local attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2022-1729)\n\nQiuhao Li, Gaoning Pan, and Yongkang Jia discovered that the KVM hypervisor \nimplementation in the Linux kernel did not properly handle an illegal \ninstruction in a guest, resulting in a null pointer dereference. An \nattacker in a guest VM could use this to cause a denial of service (system \ncrash) in the host OS. (CVE-2022-1852)\n\nIt was discovered that the UDF file system implementation in the Linux \nkernel contained an out-of-bounds write vulnerability. A local attacker \ncould use this to cause a denial of service (system crash) or possibly \nexecute arbitrary code. (CVE-2022-1943)\n\nGerald Lee discovered that the NTFS file system implementation in the Linux \nkernel did not properly handle certain error conditions, leading to a use- \nafter-free vulnerability. A local attacker could use this to cause a denial \nof service (system crash) or possibly expose sensitive information. \n(CVE-2022-1973)\n\nDuoming Zhou discovered that race conditions existed in the timer handling \nimplementation of the Linux kernel's Rose X.25 protocol layer, resulting in \nuse-after-free vulnerabilities. A local attacker could use this to cause a \ndenial of service (system crash). (CVE-2022-2318)\n\nIt was discovered that the device-mapper verity (dm-verity) driver in the \nLinux kernel did not properly verify targets being loaded into the device- \nmapper table. A privileged attacker could use this to cause a denial of \nservice (system crash) or possibly execute arbitrary code. (CVE-2022-2503)\n\nRoger Pau Monn\u00e9 discovered that the Xen virtual block driver in the Linux \nkernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-26365)\n\nZheyu Ma discovered that the Intel iSMT SMBus host controller driver in the \nLinux kernel contained an out-of-bounds write vulnerability. A local \nattacker could use this to cause a denial of service (system crash). \n(CVE-2022-2873)\n\nSelim Enes Karaduman discovered that a race condition existed in the pipe \nbuffers implementation of the Linux kernel. A local attacker could use this \nto cause a denial of service (system crash) or possibly escalate \nprivileges. (CVE-2022-2959)\n\nRoger Pau Monn\u00e9 discovered that the Xen paravirtualization frontend in the \nLinux kernel did not properly initialize memory pages to be used for shared \ncommunication with the backend. A local attacker could use this to expose \nsensitive information (guest kernel memory). (CVE-2022-33740)\n\nIt was discovered that the Xen paravirtualization frontend in the Linux \nkernel incorrectly shared unrelated data when communicating with certain \nbackends. A local attacker could use this to cause a denial of service \n(guest crash) or expose sensitive information (guest kernel memory). \n(CVE-2022-33741, CVE-2022-33742)\n\nJan Beulich discovered that the Xen network device frontend driver in the \nLinux kernel incorrectly handled socket buffers (skb) references when \ncommunicating with certain backends. A local attacker could use this to \ncause a denial of service (guest crash). (CVE-2022-33743)\n\nOleksandr Tyshchenko discovered that the Xen paravirtualization platform in \nthe Linux kernel on ARM platforms contained a race condition in certain \nsituations. An attacker in a guest VM could use this to cause a denial of \nservice in the host OS. (CVE-2022-33744)\n\nIt was discovered that the virtio RPMSG bus driver in the Linux kernel \ncontained a double-free vulnerability in certain error conditions. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-34494, CVE-2022-34495)\n\nDomingo Dirutigliano and Nicola Guerrera discovered that the netfilter \nsubsystem in the Linux kernel did not properly handle rules that truncated \npackets below the packet header size. When such rules are in place, a \nremote attacker could possibly use this to cause a denial of service \n(system crash). 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'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.3']}\n ]\n },\n '5.3.18-150300.59.71-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-150300_59_71-default-5-150300.2.1', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.3']}\n ]\n },\n '5.3.18-150300.59.76-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-150300_59_76-default-4-150300.2.1', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.3']}\n ]\n },\n '5.3.18-150300.59.87-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-150300_59_87-default-3-150300.2.1', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.3']}\n ]\n },\n '5.3.18-24.102-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-24_102-default-12-150200.2.2', 'sp':'2', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.2']}\n ]\n },\n '5.3.18-24.107-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-24_107-default-11-150200.2.2', 'sp':'2', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.2']}\n ]\n },\n '5.3.18-24.83-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-24_83-default-16-150200.2.2', 'sp':'2', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.2']}\n ]\n },\n '5.3.18-24.86-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-24_86-default-16-150200.2.2', 'sp':'2', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.2']}\n ]\n },\n '5.3.18-24.93-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-24_93-default-15-150200.2.2', 'sp':'2', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.2']}\n ]\n },\n '5.3.18-24.96-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-24_96-default-14-150200.2.2', 'sp':'2', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.2']}\n ]\n },\n '5.3.18-24.99-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-24_99-default-13-150200.2.2', 'sp':'2', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.2']}\n ]\n },\n '5.3.18-59.24-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-59_24-default-16-150300.2.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.3']}\n ]\n },\n '5.3.18-59.27-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-59_27-default-16-150300.2.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.3']}\n ]\n },\n '5.3.18-59.34-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-59_34-default-15-150300.2.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.3']}\n ]\n },\n '5.3.18-59.37-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-59_37-default-14-150300.2.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.3']}\n ]\n },\n '5.3.18-59.40-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-5_3_18-59_40-default-14-150300.2.2', 'sp':'3', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.3']}\n ]\n }\n }\n }\n];\n\nvar ltss_caveat_required = FALSE;\nvar flag = 0;\nvar kernel_affected = FALSE;\nforeach var kernel_array ( kernel_live_checks ) {\n var kpatch_details = kernel_array['kernels'][uname_r];\n if (empty_or_null(kpatch_details)) continue;\n kernel_affected = TRUE;\n foreach var package_array ( kpatch_details['pkgs'] ) {\n var reference = NULL;\n var _release = NULL;\n var sp = NULL;\n var _cpu = NULL;\n var exists_check = NULL;\n var rpm_spec_vers_cmp = NULL;\n if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];\n if (!empty_or_null(package_array['release'])) _release = package_array['release'];\n if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];\n if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];\n if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];\n if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];\n if (reference && _release) {\n if (exists_check) {\n var check_flag = 0;\n foreach var check (exists_check) {\n if (!rpm_exists(release:_release, rpm:check)) continue;\n check_flag++;\n }\n if (!check_flag) continue;\n }\n }\n if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;\n }\n}\n\n# No kpatch details found for the running kernel version\nif (!kernel_affected) audit(AUDIT_INST_VER_NOT_VULN, 'kernel', uname_r);\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_WARNING,\n extra : rpm_report_get()\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'kernel-livepatch-4_12_14-150000_150_89-default / etc');\n}\n", "cvss": {"score": 4.9, "vector": "AV:N/AC:M/Au:S/C:N/I:P/A:P"}}, {"lastseen": "2023-03-10T19:21:59", "description": "The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2723-1 advisory.\n\n - A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free. (CVE-2020-36557)\n\n - A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault. (CVE-2020-36558)\n\n - Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage. (CVE-2021-26341)\n\n - When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds. (CVE-2021-33655)\n\n - When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.\n (CVE-2021-33656)\n\n - An out-of-bounds read flaw was found in the Linux kernel's TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flush_to_ldisc function. This flaw allows a local user to crash the system or read unauthorized random data from memory. (CVE-2022-1462)\n\n - In various methods of kernel base drivers, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:\n A-182388481References: Upstream kernel (CVE-2022-20166)\n\n - nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len. 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'4.12.14-122.124-default': {\n 'pkgs': [\n {'reference':'kgraft-patch-4_12_14-122_124-default-6-2.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-live-patching-release-12.5']}\n ]\n },\n '4.12.14-122.98-default': {\n 'pkgs': [\n {'reference':'kgraft-patch-4_12_14-122_98-default-16-2.2', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-live-patching-release-12.5']}\n ]\n },\n '4.12.14-150100.197.111-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-4_12_14-150100_197_111-default-9-150100.2.2', 'sp':'1', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.1']}\n ]\n },\n '4.12.14-150100.197.114-default': {\n 'pkgs': [\n {'reference':'kernel-livepatch-4_12_14-150100_197_114-default-6-150100.2.1', 'sp':'1', 'cpu':'x86_64', 'release':'SLES15', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-module-live-patching-release-15.1']}\n ]\n },\n 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(CVE-2021-33655)\n\n - There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges. (CVE-2022-2318)\n\n - Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740).\n Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742). (CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742)\n\n - network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed. (CVE-2022-33743)\n\n - Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm, dom0 is using an rbtree to keep track of the foreign mappings. Updating of that rbtree is not always done completely with the related lock held, resulting in a small race window, which can be used by unprivileged guests via PV devices to cause inconsistencies of the rbtree. These inconsistencies can lead to Denial of Service (DoS) of dom0, e.g. by causing crashes or the inability to perform further mappings of other guests' memory pages. (CVE-2022-33744)\n\n - rpmsg_virtio_add_ctrl_dev in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free. (CVE-2022-34494)\n\n - rpmsg_probe in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free.\n (CVE-2022-34495)\n\n - nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len. (CVE-2022-36946)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-09-21T00:00:00", "type": "nessus", "title": "Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-5624-1)", "bulletinFamily": "scanner", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector"
Linux kernel vulnerabilities
