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{"id": "UBUNTU_USN-5466-1.NASL", "vendorId": null, "type": "nessus", "bulletinFamily": "scanner", "title": "Ubuntu 16.04 ESM / 18.04 LTS : Linux kernel vulnerabilities (USN-5466-1)", "description": "The remote Ubuntu 16.04 ESM / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5466-1 advisory.\n\n - A flaw was found in the Linux SCTP stack. A blind attacker may be able to kill an existing SCTP association through invalid chunks if the attacker knows the IP-addresses and port numbers being used and the attacker can send packets with spoofed IP addresses. (CVE-2021-3772)\n\n - A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem. (CVE-2021-4149)\n\n - The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_gem_object *(created in *vgem_gem_dumb_create*) concurrently, and *vgem_gem_dumb_create *will access the freed drm_vgem_gem_object. (CVE-2022-1419)\n\n - A use-after-free vulnerability was found in the Linux kernel's Netfilter subsystem in net/netfilter/nf_tables_api.c. This flaw allows a local attacker with user access to cause a privilege escalation issue. (CVE-2022-1966)\n\n - In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c. (CVE-2022-28356)\n\n - ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c in the Linux kernel through 5.17.1 has a double free.\n (CVE-2022-28390)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "published": "2022-06-08T00:00:00", "modified": "2023-01-17T00:00:00", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 5.8}, "severity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}, "href": "https://www.tenable.com/plugins/nessus/161954", "reporter": "Ubuntu Security Notice (C) 2022-2023 Canonical, Inc. / NASL script (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.", "references": ["http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21499", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1966", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3772", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4149", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1419", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28390", "https://ubuntu.com/security/notices/USN-5466-1", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28356", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1016"], "cvelist": ["CVE-2021-3772", "CVE-2021-4149", "CVE-2022-1016", "CVE-2022-1419", "CVE-2022-1966", "CVE-2022-21499", "CVE-2022-28356", "CVE-2022-28390"], "immutableFields": [], "lastseen": "2023-03-24T22:52:46", "viewCount": 11, "enchantments": {"score": {"value": -0.1, "vector": "NONE"}, "dependencies": {"references": [{"type": "almalinux", "idList": ["ALSA-2022:1988", "ALSA-2022:7683"]}, {"type": "altlinux", "idList": ["69D1753D74C2782AF5C4B3E24536D125"]}, {"type": "amazon", "idList": ["ALAS-2022-1563", "ALAS-2022-1577", "ALAS-2022-1581", "ALAS-2022-1591", "ALAS-2022-1604", "ALAS-2022-1768", "ALAS-2023-1688", "ALAS2-2021-1727", "ALAS2-2022-1768", "ALAS2-2022-1774", "ALAS2-2022-1793", "ALAS2-2022-1813"]}, {"type": "avleonov", "idList": ["AVLEONOV:317FBD7DA93C95993A9FFF38FB04A987"]}, {"type": "centos", "idList": ["CESA-2022:5232"]}, {"type": "cloudlinux", "idList": ["CLSA-2022:1650377026", "CLSA-2022:1650377052"]}, {"type": "cnvd", "idList": ["CNVD-2022-68559"]}, {"type": "cve", "idList": ["CVE-2021-3772", "CVE-2021-4149", "CVE-2022-1016", "CVE-2022-1419", "CVE-2022-1966", "CVE-2022-21499", "CVE-2022-28356", "CVE-2022-28390"]}, {"type": "debian", "idList": ["DEBIAN:DLA-2941-1:96084", "DEBIAN:DLA-3065-1:C1710", "DEBIAN:DSA-5096-1:B47F5", "DEBIAN:DSA-5127-1:B6959", "DEBIAN:DSA-5161-1:2800F", "DEBIAN:DSA-5173-1:5A28E"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2021-3772", "DEBIANCVE:CVE-2021-4149", "DEBIANCVE:CVE-2022-1016", "DEBIANCVE:CVE-2022-1419", "DEBIANCVE:CVE-2022-1966", "DEBIANCVE:CVE-2022-21499", "DEBIANCVE:CVE-2022-28356", "DEBIANCVE:CVE-2022-28390"]}, {"type": "fedora", "idList": ["FEDORA:11BA63093F7B", "FEDORA:23A0030AD936", "FEDORA:34D5930F2474", "FEDORA:5D5BA3025879", "FEDORA:8904F30B95E5", "FEDORA:CFF3C30B73E9"]}, {"type": "githubexploit", "idList": 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{"ubuntu": [{"lastseen": "2023-02-02T04:28:38", "description": "## Releases\n\n * Ubuntu 18.04 LTS\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-aws-hwe \\- Linux kernel for Amazon Web Services (AWS-HWE) systems\n * linux-azure \\- Linux kernel for Microsoft Azure Cloud systems\n * linux-azure-4.15 \\- Linux kernel for Microsoft Azure Cloud systems\n * linux-gcp \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gcp-4.15 \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-hwe \\- Linux hardware enablement (HWE) kernel\n * linux-kvm \\- Linux kernel for cloud environments\n * linux-oracle \\- Linux kernel for Oracle Cloud systems\n * linux-raspi2 \\- Linux kernel for Raspberry Pi systems\n * linux-snapdragon \\- Linux kernel for Qualcomm Snapdragon processors\n\nIt was discovered that the Linux kernel did not properly restrict access to \nthe kernel debugger when booted in secure boot environments. A privileged \nattacker could use this to bypass UEFI Secure Boot restrictions. \n(CVE-2022-21499)\n\nAaron Adams discovered that the netfilter subsystem in the Linux kernel did \nnot properly handle the removal of stateful expressions in some situations, \nleading to a use-after-free vulnerability. A local attacker could use this \nto cause a denial of service (system crash) or execute arbitrary code. \n(CVE-2022-1966)\n\nIt was discovered that the SCTP protocol implementation in the Linux kernel \ndid not properly verify VTAGs in some situations. A remote attacker could \npossibly use this to cause a denial of service (connection disassociation). \n(CVE-2021-3772)\n\nIt was discovered that the btrfs file system implementation in the Linux \nkernel did not properly handle locking in certain error conditions. A local \nattacker could use this to cause a denial of service (kernel deadlock). \n(CVE-2021-4149)\n\nDavid Bouman discovered that the netfilter subsystem in the Linux kernel \ndid not initialize memory in some situations. A local attacker could use \nthis to expose sensitive information (kernel memory). (CVE-2022-1016)\n\nIt was discovered that the virtual graphics memory manager implementation \nin the Linux kernel was subject to a race condition, potentially leading to \nan information leak. (CVE-2022-1419)\n\n\u8d75\u5b50\u8f69 discovered that the 802.2 LLC type 2 driver in the Linux kernel did not \nproperly perform reference counting in some error conditions. A local \nattacker could use this to cause a denial of service. (CVE-2022-28356)\n\nIt was discovered that the EMS CAN/USB interface implementation in the \nLinux kernel contained a double-free vulnerability when handling certain \nerror conditions. A local attacker could use this to cause a denial of \nservice (memory exhaustion). (CVE-2022-28390)\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": "2022-06-08T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-3772", "CVE-2021-4149", "CVE-2022-1016", "CVE-2022-1419", "CVE-2022-1966", "CVE-2022-21499", "CVE-2022-28356", "CVE-2022-28390"], "modified": "2022-06-08T00:00:00", "id": "USN-5466-1", "href": "https://ubuntu.com/security/notices/USN-5466-1", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P"}}, {"lastseen": "2023-01-26T15:12:06", "description": "## Releases\n\n * Ubuntu 21.10 \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-5.13 \\- Linux kernel for Amazon Web Services (AWS) systems\n * linux-azure \\- Linux kernel for Microsoft Azure Cloud systems\n * linux-azure-5.13 \\- Linux kernel for Microsoft Azure cloud systems\n * linux-gcp \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gcp-5.13 \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-hwe-5.13 \\- Linux hardware enablement (HWE) kernel\n * linux-intel-5.13 \\- Linux kernel for Intel IOTG\n * linux-kvm \\- Linux kernel for cloud environments\n * linux-oracle \\- Linux kernel for Oracle Cloud systems\n * linux-oracle-5.13 \\- Linux kernel for Oracle Cloud systems\n * linux-raspi \\- Linux kernel for Raspberry Pi systems\n\nIt was discovered that the Linux kernel did not properly restrict access to \nthe kernel debugger when booted in secure boot environments. A privileged \nattacker could use this to bypass UEFI Secure Boot restrictions. \n(CVE-2022-21499)\n\nAaron Adams discovered that the netfilter subsystem in the Linux kernel did \nnot properly handle the removal of stateful expressions in some situations, \nleading to a use-after-free vulnerability. A local attacker could use this \nto cause a denial of service (system crash) or execute arbitrary code. \n(CVE-2022-1966)\n\nQiuhao Li, Gaoning Pan and Yongkang Jia discovered that the KVM \nimplementation in the Linux kernel did not properly perform guest page \ntable updates in some situations. An attacker in a guest vm could possibly \nuse this to crash the host OS. (CVE-2022-1158)\n\nZiming Zhang discovered that the netfilter subsystem in the Linux kernel \ndid not properly validate sets with multiple ranged fields. A local \nattacker could use this to cause a denial of service or execute arbitrary \ncode. (CVE-2022-1972)\n\nIt was discovered that the USB Gadget file system interface in the Linux \nkernel contained a use-after-free vulnerability. A local attacker could use \nthis to cause a denial of service (system crash) or possibly execute \narbitrary code. (CVE-2022-24958)\n\nIt was discovered that the EMS CAN/USB interface implementation in the \nLinux kernel contained a double-free vulnerability when handling certain \nerror conditions. A local attacker could use this to cause a denial of \nservice (memory exhaustion). (CVE-2022-28390)\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": "2022-06-08T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 4.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-1158", "CVE-2022-1966", "CVE-2022-1972", "CVE-2022-21499", "CVE-2022-24958", "CVE-2022-28390"], "modified": "2022-06-08T00:00:00", "id": "USN-5468-1", "href": "https://ubuntu.com/security/notices/USN-5468-1", "cvss": {"score": 4.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-01-26T15:12:11", "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 Linux kernel did not properly restrict access to \nthe kernel debugger when booted in secure boot environments. A privileged \nattacker could use this to bypass UEFI Secure Boot restrictions. \n(CVE-2022-21499)\n\nAaron Adams discovered that the netfilter subsystem in the Linux kernel did \nnot properly handle the removal of stateful expressions in some situations, \nleading to a use-after-free vulnerability. A local attacker could use this \nto cause a denial of service (system crash) or execute arbitrary code. \n(CVE-2022-1966)\n\nJann Horn discovered that the Linux kernel did not properly enforce seccomp \nrestrictions in some situations. A local attacker could use this to bypass \nintended seccomp sandbox restrictions. (CVE-2022-30594)\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": "2022-06-08T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 4.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-1966", "CVE-2022-21499", "CVE-2022-30594"], "modified": "2022-06-08T00:00:00", "id": "USN-5465-1", "href": "https://ubuntu.com/security/notices/USN-5465-1", "cvss": {"score": 4.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-01-26T15:12:03", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * linux-oem-5.14 \\- Linux kernel for OEM systems\n\nIt was discovered that the Linux kernel did not properly restrict access to \nthe kernel debugger when booted in secure boot environments. A privileged \nattacker could use this to bypass UEFI Secure Boot restrictions. \n(CVE-2022-21499)\n\nAaron Adams discovered that the netfilter subsystem in the Linux kernel did \nnot properly handle the removal of stateful expressions in some situations, \nleading to a use-after-free vulnerability. A local attacker could use this \nto cause a denial of service (system crash) or execute arbitrary code. \n(CVE-2022-1966)\n\nMinh Yuan discovered that the floppy driver in the Linux kernel contained a \nrace condition in some situations, leading to 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-2022-1836)\n\nZiming Zhang discovered that the netfilter subsystem in the Linux kernel \ndid not properly validate sets with multiple ranged fields. A local \nattacker could use this to cause a denial of service or execute arbitrary \ncode. (CVE-2022-1972)\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": "2022-06-08T00:00:00", "type": "ubuntu", "title": "Linux kernel (OEM) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 4.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-1836", "CVE-2022-1966", "CVE-2022-1972", "CVE-2022-21499"], "modified": "2022-06-08T00:00:00", "id": "USN-5470-1", "href": "https://ubuntu.com/security/notices/USN-5470-1", "cvss": {"score": 4.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-02-09T08:27:02", "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-azure-fde \\- Linux kernel for Microsoft Azure cloud systems\n * linux-gcp \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gcp-5.4 \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gke \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-gke-5.4 \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-gkeop \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-gkeop-5.4 \\- 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 * linux-raspi-5.4 \\- Linux kernel for Raspberry Pi systems\n\nIt was discovered that the Linux kernel did not properly restrict access to \nthe kernel debugger when booted in secure boot environments. A privileged \nattacker could use this to bypass UEFI Secure Boot restrictions. \n(CVE-2022-21499)\n\nAaron Adams discovered that the netfilter subsystem in the Linux kernel did \nnot properly handle the removal of stateful expressions in some situations, \nleading to a use-after-free vulnerability. A local attacker could use this \nto cause a denial of service (system crash) or execute arbitrary code. \n(CVE-2022-1966)\n\nIt was discovered that the SCTP protocol implementation in the Linux kernel \ndid not properly verify VTAGs in some situations. A remote attacker could \npossibly use this to cause a denial of service (connection disassociation). \n(CVE-2021-3772)\n\nEric Biederman discovered that the cgroup process migration implementation \nin the Linux kernel did not perform permission checks correctly in some \nsituations. A local attacker could possibly use this to gain administrative \nprivileges. (CVE-2021-4197)\n\nJann Horn discovered that the FUSE file system in the Linux kernel \ncontained a use-after-free vulnerability. A local attacker could use this \nto cause a denial of service (system crash) or possibly execute arbitrary \ncode. (CVE-2022-1011)\n\nQiuhao Li, Gaoning Pan and Yongkang Jia discovered that the KVM \nimplementation in the Linux kernel did not properly perform guest page \ntable updates in some situations. An attacker in a guest vm could possibly \nuse this to crash the host OS. (CVE-2022-1158)\n\nDuoming Zhou discovered that the 6pack protocol implementation in the Linux \nkernel did not handle detach events properly in some situations, leading to \na use-after-free vulnerability. A local attacker could use this to cause a \ndenial of service (system crash). (CVE-2022-1198)\n\nIt was discovered that the PF_KEYv2 implementation in the Linux kernel did \nnot properly initialize kernel memory in some situations. A local attacker \ncould use this to expose sensitive information (kernel memory). \n(CVE-2022-1353)\n\nIt was discovered that the implementation of X.25 network protocols in the \nLinux kernel did not terminate link layer sessions properly. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-1516)\n\nDemi Marie Obenour and Simon Gaiser discovered that several Xen para- \nvirtualization device frontends did not properly restrict the access rights \nof device backends. An attacker could possibly use a malicious Xen backend \nto gain access to memory pages of a guest VM or cause a denial of service \nin the guest. (CVE-2022-23036, CVE-2022-23037, CVE-2022-23038, \nCVE-2022-23039, CVE-2022-23040, CVE-2022-23041, CVE-2022-23042)\n\nIt was discovered that the USB Gadget file system interface in the Linux \nkernel contained a use-after-free vulnerability. A local attacker could use \nthis to cause a denial of service (system crash) or possibly execute \narbitrary code. (CVE-2022-24958)\n\nIt was discovered that the USB SR9700 ethernet device driver for the Linux \nkernel did not properly validate the length of requests from the device. A \nphysically proximate attacker could possibly use this to expose sensitive \ninformation (kernel memory). (CVE-2022-26966)\n\n\u8d75\u5b50\u8f69 discovered that the 802.2 LLC type 2 driver in the Linux kernel did not \nproperly perform reference counting in some error conditions. A local \nattacker could use this to cause a denial of service. (CVE-2022-28356)\n\nIt was discovered that the Microchip CAN BUS Analyzer interface \nimplementation in the Linux kernel did not properly handle certain error \nconditions, leading to a double-free. A local attacker could possibly use \nthis to cause a denial of service (system crash). (CVE-2022-28389)\n\nIt was discovered that the EMS CAN/USB interface implementation in the \nLinux kernel contained a double-free vulnerability when handling certain \nerror conditions. A local attacker could use this to cause a denial of \nservice (memory exhaustion). (CVE-2022-28390)\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": "2022-06-08T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-3772", "CVE-2021-4197", "CVE-2022-1011", "CVE-2022-1158", "CVE-2022-1198", "CVE-2022-1353", "CVE-2022-1516", "CVE-2022-1966", "CVE-2022-21499", "CVE-2022-23036", "CVE-2022-23037", "CVE-2022-23038", "CVE-2022-23039", "CVE-2022-23040", "CVE-2022-23041", "CVE-2022-23042", "CVE-2022-24958", "CVE-2022-26966", "CVE-2022-28356", "CVE-2022-28389", "CVE-2022-28390"], "modified": "2022-06-08T00:00:00", "id": "USN-5467-1", "href": "https://ubuntu.com/security/notices/USN-5467-1", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-01-26T15:11:15", "description": "## Releases\n\n * Ubuntu 16.04 ESM\n\n## Packages\n\n * linux \\- Linux kernel\n * linux-aws \\- Linux kernel for Amazon Web Services (AWS) systems\n\nEric Biederman discovered that the cgroup process migration implementation \nin the Linux kernel did not perform permission checks correctly in some \nsituations. A local attacker could possibly use this to gain administrative \nprivileges. (CVE-2021-4197)\n\nLin Ma discovered that the NFC Controller Interface (NCI) implementation in \nthe Linux kernel contained a race condition, leading to 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-2021-4202)\n\nIt was discovered that the PF_KEYv2 implementation in the Linux kernel did \nnot properly initialize kernel memory in some situations. A local attacker \ncould use this to expose sensitive information (kernel memory). \n(CVE-2022-1353)\n\nIt was discovered that the virtual graphics memory manager implementation \nin the Linux kernel was subject to a race condition, potentially leading to \nan information leak. (CVE-2022-1419)\n\nMinh Yuan discovered that the floppy disk driver in the Linux kernel \ncontained a race condition, leading to a use-after-free vulnerability. A \nlocal attacker could possibly use this to cause a denial of service (system \ncrash) or execute arbitrary code. (CVE-2022-1652)\n\nIt was discovered that the Atheros ath9k wireless device driver in the \nLinux kernel did not properly handle some error conditions, 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-2022-1679)\n\nIt was discovered that the Marvell NFC device driver implementation in the \nLinux kernel did not properly perform memory cleanup operations in some \nsituations, leading to a use-after-free vulnerability. A local attacker \ncould possibly use this to cause a denial of service (system crash) or \nexecute arbitrary code. (CVE-2022-1734)\n\n\u8d75\u5b50\u8f69 discovered that the 802.2 LLC type 2 driver in the Linux kernel did not \nproperly perform reference counting in some error conditions. A local \nattacker could use this to cause a denial of service. (CVE-2022-28356)\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": "2022-07-01T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-4197", "CVE-2021-4202", "CVE-2022-1353", "CVE-2022-1419", "CVE-2022-1652", "CVE-2022-1679", "CVE-2022-1734", "CVE-2022-28356"], "modified": "2022-07-01T00:00:00", "id": "USN-5500-1", "href": "https://ubuntu.com/security/notices/USN-5500-1", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2022-09-07T02:12:15", "description": "Aaron Adams discovered that the netfilter subsystem in the Linux kernel did not properly handle the removal of stateful expressions in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-1966)\n\nZiming Zhang discovered that the netfilter subsystem in the Linux kernel \ndid not properly validate sets with multiple ranged fields. A local \nattacker could use this to cause a denial of service or execute arbitrary \ncode.(CVE-2022-1972)\n\nIt was discovered that the implementation of POSIX timers in the Linux \nkernel did not properly clean up timers in some situations. A local \nattacker could use this to cause a denial of service (system crash) or \nexecute arbitrary code.(CVE-2022-2585)\n\nIt was discovered that the netfilter subsystem of the Linux kernel did not \nprevent one nft object from referencing an nft set in another nft table, \nleading to a use-after-free vulnerability. A local attacker could use this \nto cause a denial of service (system crash) or execute arbitrary code.(CVE-2022-2586)\n\nZhenpeng Lin discovered that the network packet scheduler implementation in \nthe Linux kernel did not properly remove all references to a route filter \nbefore freeing it in some situations. A local attacker could use this to \ncause a denial of service (system crash) or execute arbitrary code.(CVE-2022-2588)\n\nIt was discovered that the Linux kernel did not properly restrict access to \nthe kernel debugger when booted in secure boot environments. A privileged \nattacker could use this to bypass UEFI Secure Boot restrictions.(CVE-2022-21499)\n\nKyle Zeng discovered that the Network Queuing and Scheduling subsystem of \nthe Linux kernel did not properly perform reference counting in some \nsituations, leading to a use-after-free vulnerability. A local attacker \ncould use this to cause a denial of service (system crash) or execute \narbitrary code.(CVE-2022-29581)\n\nArthur Mongodin discovered that the netfilter subsystem in the Linux kernel \ndid not properly perform data validation. A local attacker could use this \nto escalate privileges in certain situations.(CVE-2022-34918)\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": "Kernel Live Patch Security Notice", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-1966", "CVE-2022-1972", "CVE-2022-21499", "CVE-2022-2585", "CVE-2022-2586", "CVE-2022-2588", "CVE-2022-29581", "CVE-2022-34918"], "modified": "2022-08-24T00:00:00", "id": "LSN-0089-1", "href": "https://ubuntu.com/security/notices/LSN-0089-1", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-01-26T15:12:04", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-oem-5.17 \\- Linux kernel for OEM systems\n\nIt was discovered that the Linux kernel did not properly restrict access to \nthe kernel debugger when booted in secure boot environments. A privileged \nattacker could use this to bypass UEFI Secure Boot restrictions. \n(CVE-2022-21499)\n\nAaron Adams discovered that the netfilter subsystem in the Linux kernel did \nnot properly handle the removal of stateful expressions in some situations, \nleading to a use-after-free vulnerability. A local attacker could use this \nto cause a denial of service (system crash) or execute arbitrary code. \n(CVE-2022-1966)\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)\n\nDuoming Zhou discovered race conditions in the AX.25 amateur radio protocol \nimplementation in the Linux kernel, leading to use-after-free \nvulnerabilities. A local attacker could possibly use this to cause a denial \nof service (system crash). (CVE-2022-1205)\n\nIt was discovered that the Marvell NFC device driver implementation in the \nLinux kernel did not properly perform memory cleanup operations in some \nsituations, leading to a use-after-free vulnerability. A local attacker \ncould possibly use this to cause a denial of service (system crash) or \nexecute arbitrary code. (CVE-2022-1734)\n\nMinh Yuan discovered that the floppy driver in the Linux kernel contained a \nrace condition in some situations, leading to 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-2022-1836)\n\nZiming Zhang discovered that the netfilter subsystem in the Linux kernel \ndid not properly validate sets with multiple ranged fields. A local \nattacker could use this to cause a denial of service or execute arbitrary \ncode. (CVE-2022-1972)\n\nJoseph Ravichandran and Michael Wang discovered that the io_uring subsystem \nin the Linux kernel did not properly initialize data in some situations. A \nlocal attacker could use this to expose sensitive information (kernel \nmemory). (CVE-2022-29968)\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": "2022-06-08T00:00:00", "type": "ubuntu", "title": "Linux kernel (OEM) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 4.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-1012", "CVE-2022-1205", "CVE-2022-1734", "CVE-2022-1836", "CVE-2022-1966", "CVE-2022-1972", "CVE-2022-21499", "CVE-2022-29968"], "modified": "2022-06-08T00:00:00", "id": "USN-5471-1", "href": "https://ubuntu.com/security/notices/USN-5471-1", "cvss": {"score": 4.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-01-26T15:12:10", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux \\- Linux kernel\n * linux-aws \\- Linux kernel for Amazon Web Services (AWS) systems\n * linux-azure \\- Linux kernel for Microsoft Azure Cloud systems\n * linux-gcp \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gke \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-ibm \\- Linux kernel for IBM cloud systems\n * linux-intel-iotg \\- Linux kernel for Intel IoT platforms\n * linux-kvm \\- Linux kernel for cloud environments\n * linux-lowlatency \\- Linux low latency kernel\n * linux-oracle \\- Linux kernel for Oracle Cloud systems\n * linux-raspi \\- Linux kernel for Raspberry Pi systems\n\nIt was discovered that the Linux kernel did not properly restrict access to \nthe kernel debugger when booted in secure boot environments. A privileged \nattacker could use this to bypass UEFI Secure Boot restrictions. \n(CVE-2022-21499)\n\nAaron Adams discovered that the netfilter subsystem in the Linux kernel did \nnot properly handle the removal of stateful expressions in some situations, \nleading to a use-after-free vulnerability. A local attacker could use this \nto cause a denial of service (system crash) or execute arbitrary code. \n(CVE-2022-1966)\n\nBilly Jheng Bing Jhong discovered that the CIFS network file system \nimplementation in the Linux kernel did not properly validate arguments to \nioctl() in some situations. A local attacker could possibly use this to \ncause a denial of service (system crash). (CVE-2022-0168)\n\nHu Jiahui discovered that multiple race conditions existed in the Advanced \nLinux Sound Architecture (ALSA) framework, leading to use-after-free \nvulnerabilities. A local attacker could use these to cause a denial of \nservice (system crash) or possibly execute arbitrary code. (CVE-2022-1048)\n\nQiuhao Li, Gaoning Pan and Yongkang Jia discovered that the KVM \nimplementation in the Linux kernel did not properly perform guest page \ntable updates in some situations. An attacker in a guest vm could possibly \nuse this to crash the host OS. (CVE-2022-1158)\n\nIt was discovered that the implementation of the 6pack and mkiss protocols \nin the Linux kernel did not handle detach events properly in some \nsituations, leading to a use-after-free vulnerability. A local attacker \ncould possibly use this to cause a denial of service (system crash). \n(CVE-2022-1195)\n\nDuoming Zhou discovered that the 6pack protocol implementation in the Linux \nkernel did not handle detach events properly in some situations, leading to \na use-after-free vulnerability. A local attacker could use this to cause a \ndenial of service (system crash). (CVE-2022-1198)\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\nDuoming Zhou discovered race conditions in the AX.25 amateur radio protocol \nimplementation in the Linux kernel, leading to use-after-free \nvulnerabilities. A local attacker could possibly use this to cause a denial \nof service (system crash). (CVE-2022-1205)\n\nQiuhao Li, Gaoning Pan, and Yongkang Jia discovered that the kvm \nimplementation in the Linux kernel did not handle releasing a virtual cpu \nproperly. A local attacker in a guest VM coud possibly use this to cause a \ndenial of service (host system crash). (CVE-2022-1263)\n\nIt was discovered that the PF_KEYv2 implementation in the Linux kernel did \nnot properly initialize kernel memory in some situations. A local attacker \ncould use this to expose sensitive information (kernel memory). \n(CVE-2022-1353)\n\nIt was discovered that the implementation of X.25 network protocols in the \nLinux kernel did not terminate link layer sessions properly. A local \nattacker could possibly use this to cause a denial of service (system \ncrash). (CVE-2022-1516)\n\nIt was discovered that the ACRN Hypervisor Service Module implementation in \nthe Linux kernel did not properly deallocate memory in some situations. A \nlocal privileged attacker could possibly use this to cause a denial of \nservice (memory exhaustion). (CVE-2022-1651)\n\nIt was discovered that the RxRPC session socket implementation in the Linux \nkernel did not properly handle ioctls called when no security protocol is \ngiven. A local attacker could use this to cause a denial of service (system \ncrash) or possibly expose sensitive information (kernel memory). \n(CVE-2022-1671)\n\nZiming Zhang discovered that the netfilter subsystem in the Linux kernel \ndid not properly validate sets with multiple ranged fields. A local \nattacker could use this to cause a denial of service or execute arbitrary \ncode. (CVE-2022-1972)\n\n\u8d75\u5b50\u8f69 discovered that the 802.2 LLC type 2 driver in the Linux kernel did not \nproperly perform reference counting in some error conditions. A local \nattacker could use this to cause a denial of service. (CVE-2022-28356)\n\nIt was discovered that the 8 Devices USB2CAN interface implementation in \nthe Linux kernel did not properly handle certain error conditions, leading \nto a double-free. A local attacker could possibly use this to cause a \ndenial of service (system crash). (CVE-2022-28388)\n\nIt was discovered that the Microchip CAN BUS Analyzer interface \nimplementation in the Linux kernel did not properly handle certain error \nconditions, leading to a double-free. A local attacker could possibly use \nthis to cause a denial of service (system crash). (CVE-2022-28389)\n\nIt was discovered that the EMS CAN/USB interface implementation in the \nLinux kernel contained a double-free vulnerability when handling certain \nerror conditions. A local attacker could use this to cause a denial of \nservice (memory exhaustion). (CVE-2022-28390)\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": "2022-06-08T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.4, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 6.9, "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-0168", "CVE-2022-1048", "CVE-2022-1158", "CVE-2022-1195", "CVE-2022-1198", "CVE-2022-1199", "CVE-2022-1204", "CVE-2022-1205", "CVE-2022-1263", "CVE-2022-1353", "CVE-2022-1516", "CVE-2022-1651", "CVE-2022-1671", "CVE-2022-1966", "CVE-2022-1972", "CVE-2022-21499", "CVE-2022-28356", "CVE-2022-28388", "CVE-2022-28389", "CVE-2022-28390"], "modified": "2022-06-08T00:00:00", "id": "USN-5469-1", "href": "https://ubuntu.com/security/notices/USN-5469-1", "cvss": {"score": 6.9, "vector": "AV:L/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2022-06-21T15:46:50", "description": "Aaron Adams discovered that the netfilter subsystem in the Linux kernel did \nnot properly handle the removal of stateful expressions in some situations, \nleading to a use-after-free vulnerability. A local attacker could use this \nto cause a denial of service (system crash) or execute arbitrary code.(CVE-2022-1966)\n\nZiming Zhang discovered that the netfilter subsystem in the Linux kernel \ndid not properly validate sets with multiple ranged fields. A local \nattacker could use this to cause a denial of service or execute arbitrary \ncode.(CVE-2022-1972)\n", "cvss3": {}, "published": "2022-06-16T00:00:00", "type": "ubuntu", "title": "Kernel Live Patch Security Notice", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2022-1966", "CVE-2022-1972"], "modified": "2022-06-16T00:00:00", "id": "LSN-0087-1", "href": "https://ubuntu.com/security/notices/LSN-0087-1", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-01-26T15:13:46", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-raspi \\- Linux kernel for Raspberry Pi systems\n\nDavid Bouman discovered that the netfilter subsystem in the Linux kernel \ndid not properly validate passed user register indices. A local attacker \ncould use this to cause a denial of service or possibly execute arbitrary \ncode. (CVE-2022-1015)\n\nDavid Bouman discovered that the netfilter subsystem in the Linux kernel \ndid not initialize memory in some situations. A local attacker could use \nthis to expose sensitive information (kernel memory). (CVE-2022-1016)\n\nIt was discovered that the ST21NFCA NFC driver in the Linux kernel did not \nproperly validate the size of certain data in EVT_TRANSACTION events. A \nphysically proximate attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2022-26490)\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": "2022-05-03T00:00:00", "type": "ubuntu", "title": "Linux kernel (Raspberry Pi) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 4.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-1015", "CVE-2022-1016", "CVE-2022-26490"], "modified": "2022-05-03T00:00:00", "id": "USN-5390-2", "href": "https://ubuntu.com/security/notices/USN-5390-2", "cvss": {"score": 4.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-01-26T15:14:00", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux \\- Linux kernel\n * linux-aws \\- Linux kernel for Amazon Web Services (AWS) systems\n * linux-azure \\- Linux kernel for Microsoft Azure Cloud systems\n * linux-gcp \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gke \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-ibm \\- Linux kernel for IBM cloud systems\n * linux-kvm \\- Linux kernel for cloud environments\n * linux-lowlatency \\- Linux low latency kernel\n * linux-oracle \\- Linux kernel for Oracle Cloud systems\n\nDavid Bouman discovered that the netfilter subsystem in the Linux kernel \ndid not properly validate passed user register indices. A local attacker \ncould use this to cause a denial of service or possibly execute arbitrary \ncode. (CVE-2022-1015)\n\nDavid Bouman discovered that the netfilter subsystem in the Linux kernel \ndid not initialize memory in some situations. A local attacker could use \nthis to expose sensitive information (kernel memory). (CVE-2022-1016)\n\nIt was discovered that the ST21NFCA NFC driver in the Linux kernel did not \nproperly validate the size of certain data in EVT_TRANSACTION events. A \nphysically proximate attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2022-26490)\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": "2022-04-26T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 4.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-1015", "CVE-2022-1016", "CVE-2022-26490"], "modified": "2022-04-26T00:00:00", "id": "USN-5390-1", "href": "https://ubuntu.com/security/notices/USN-5390-1", "cvss": {"score": 4.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-01-26T15:14:09", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * linux-oem-5.14 \\- Linux kernel for OEM systems\n\nDavid Bouman discovered that the netfilter subsystem in the Linux kernel \ndid not properly validate passed user register indices. A local attacker \ncould use this to cause a denial of service or possibly execute arbitrary \ncode. (CVE-2022-1015)\n\nIt was discovered that the block layer subsystem in the Linux kernel did \nnot properly initialize memory in some situations. A privileged local \nattacker could use this to expose sensitive information (kernel memory). \n(CVE-2022-0494)\n\nIt was discovered that the DMA subsystem in the Linux kernel did not \nproperly ensure bounce buffers were completely overwritten by the DMA \ndevice. A local attacker could use this to expose sensitive information \n(kernel memory). (CVE-2022-0854)\n\nJann Horn discovered that the FUSE file system in the Linux kernel \ncontained a use-after-free vulnerability. A local attacker could use this \nto cause a denial of service (system crash) or possibly execute arbitrary \ncode. (CVE-2022-1011)\n\nDavid Bouman discovered that the netfilter subsystem in the Linux kernel \ndid not initialize memory in some situations. A local attacker could use \nthis to expose sensitive information (kernel memory). (CVE-2022-1016)\n\nHu Jiahui discovered that multiple race conditions existed in the Advanced \nLinux Sound Architecture (ALSA) framework, leading to use-after-free \nvulnerabilities. A local attacker could use these to cause a denial of \nservice (system crash) or possibly execute arbitrary code. (CVE-2022-1048)\n\nIt was discovered that the USB Gadget file system interface in the Linux \nkernel contained a use-after-free vulnerability. A local attacker could use \nthis to cause a denial of service (system crash) or possibly execute \narbitrary code. (CVE-2022-24958)\n\nIt was discovered that the ST21NFCA NFC driver in the Linux kernel did not \nproperly validate the size of certain data in EVT_TRANSACTION events. A \nphysically proximate attacker could use this to cause a denial of service \n(system crash) or possibly execute arbitrary code. (CVE-2022-26490)\n\nIt was discovered that the USB SR9700 ethernet device driver for the Linux \nkernel did not properly validate the length of requests from the device. A \nphysically proximate attacker could possibly use this to expose sensitive \ninformation (kernel memory). (CVE-2022-26966)\n\nIt was discovered that the Xilinx USB2 device gadget driver in the Linux \nkernel did not properly validate endpoint indices from the host. A \nphysically proximate attacker could possibly use this to cause a denial of \nservice (system crash). (CVE-2022-27223)\n\n\u8d75\u5b50\u8f69 discovered that the 802.2 LLC type 2 driver in the Linux kernel did not \nproperly perform reference counting in some error conditions. A local \nattacker could use this to cause a denial of service. (CVE-2022-28356)\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-04-20T00:00:00", "type": "ubuntu", "title": "Linux kernel (OEM) vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.4, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 6.9, "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-0494", "CVE-2022-0854", "CVE-2022-1011", "CVE-2022-1015", "CVE-2022-1016", "CVE-2022-1048", "CVE-2022-24958", "CVE-2022-26490", "CVE-2022-26966", "CVE-2022-27223", "CVE-2022-28356"], "modified": "2022-04-20T00:00:00", "id": "USN-5381-1", "href": "https://ubuntu.com/security/notices/USN-5381-1", "cvss": {"score": 6.9, "vector": "AV:L/AC:M/Au:N/C:C/I:C/A:C"}}], "nessus": [{"lastseen": "2023-03-25T17:21:30", "description": "The remote Ubuntu 20.04 LTS / 21.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5468-1 advisory.\n\n - A flaw was found in KVM. When updating a guest's page table entry, vm_pgoff was improperly used as the offset to get the page's pfn. As vaddr and vm_pgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and potentially corrupt the kernel, resulting in a denial of service condition. (CVE-2022-1158)\n\n - KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown.\n An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. 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(CVE-2022-1966)\n\n - Linux PV device frontends vulnerable to attacks by backends T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Several Linux PV device frontends are using the grant table interfaces for removing access rights of the backends in ways being subject to race conditions, resulting in potential data leaks, data corruption by malicious backends, and denial of service triggered by malicious backends: blkfront, netfront, scsifront and the gntalloc driver are testing whether a grant reference is still in use. If this is not the case, they assume that a following removal of the granted access will always succeed, which is not true in case the backend has mapped the granted page between those two operations. 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This will result in a Denial of Service (DoS) situation of the guest which can be triggered by the backend. CVE-2022-23042 (CVE-2022-23036, CVE-2022-23037, CVE-2022-23038, CVE-2022-23039, CVE-2022-23040, CVE-2022-23041, CVE-2022-23042)\n\n - drivers/usb/gadget/legacy/inode.c in the Linux kernel through 5.16.8 mishandles dev->buf release.\n (CVE-2022-24958)\n\n - An issue was discovered in the Linux kernel before 5.16.12. drivers/net/usb/sr9700.c allows attackers to obtain sensitive information from heap memory via crafted frame lengths from a device. (CVE-2022-26966)\n\n - In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c. (CVE-2022-28356)\n\n - mcba_usb_start_xmit in drivers/net/can/usb/mcba_usb.c in the Linux kernel through 5.17.1 has a double free. 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(CVE-2022-1966)\n\n - Linux PV device frontends vulnerable to attacks by backends T[his CNA information record relates to\n multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Several Linux PV\n device frontends are using the grant table interfaces for removing access rights of the backends in ways\n being subject to race conditions, resulting in potential data leaks, data corruption by malicious\n backends, and denial of service triggered by malicious backends: blkfront, netfront, scsifront and the\n gntalloc driver are testing whether a grant reference is still in use. If this is not the case, they\n assume that a following removal of the granted access will always succeed, which is not true in case the\n backend has mapped the granted page between those two operations. 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It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2022-028 advisory.\n\n - ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2022-32250. Reason: This candidate is a duplicate of CVE-2022-32250. Notes: All CVE users should reference CVE-2022-32250 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage. (CVE-2022-1966)\n\n - KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown.\n An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. CVSS 3.1 Base Score 6.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H). (CVE-2022-21499)\n\n - net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free. (CVE-2022-32250)\n\n - The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. (CVE-2022-32296)\n\n - An issue was discovered in the Linux kernel through 5.18.3 on powerpc 32-bit platforms. There is a buffer overflow in ptrace PEEKUSER and POKEUSER (aka PEEKUSR and POKEUSR) when accessing floating point registers. (CVE-2022-32981)\n\n - kernel: Small table perturb size in the TCP source port generation algorithm can lead to information leak (CVE-2022-1012)\n\n - A kernel information leak flaw was identified in the scsi_ioctl function in drivers/scsi/scsi_ioctl.c in the Linux kernel. This flaw allows a local attacker with a special user privilege (CAP_SYS_ADMIN or CAP_SYS_RAWIO) to create issues with confidentiality. 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It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2022-032 advisory.\n\n - ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2022-32250. Reason: This candidate is a duplicate of CVE-2022-32250. Notes: All CVE users should reference CVE-2022-32250 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage. (CVE-2022-1966)\n\n - KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown.\n An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. CVSS 3.1 Base Score 6.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H). (CVE-2022-21499)\n\n - net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free. (CVE-2022-32250)\n\n - The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. (CVE-2022-32296)\n\n - An issue was discovered in the Linux kernel through 5.18.3 on powerpc 32-bit platforms. There is a buffer overflow in ptrace PEEKUSER and POKEUSER (aka PEEKUSR and POKEUSR) when accessing floating point registers. (CVE-2022-32981)\n\n - kernel: Small table perturb size in the TCP source port generation algorithm can lead to information leak (CVE-2022-1012)\n\n - A kernel information leak flaw was identified in the scsi_ioctl function in drivers/scsi/scsi_ioctl.c in the Linux kernel. This flaw allows a local attacker with a special user privilege (CAP_SYS_ADMIN or CAP_SYS_RAWIO) to create issues with confidentiality. 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It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2022-030 advisory.\n\n - ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2022-32250. Reason: This candidate is a duplicate of CVE-2022-32250. Notes: All CVE users should reference CVE-2022-32250 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage. (CVE-2022-1966)\n\n - KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown.\n An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. CVSS 3.1 Base Score 6.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H). 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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_14-150100_197_111-default / etc');\n}\n", "cvss": {"score": 4.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-03-15T10:28:57", "description": "The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2444-1 advisory.\n\n - A race condition was found the Linux kernel in perf_event_open() which can be exploited by an unprivileged user to gain root privileges. The bug allows to build several exploit primitives such as kernel address information leak, arbitrary execution, etc. (CVE-2022-1729)\n\n - In lock_sock_nested of sock.c, there is a possible use after free due to a race condition. 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: A-174846563References: Upstream kernel (CVE-2022-20154)\n\n - KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown.\n An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. (CVE-2022-21499)\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": 1.0, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.0, "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-07-21T00:00:00", "type": "nessus", "title": "SUSE SLES12 Security Update : kernel (Live Patch 23 for SLE 12 SP4) (SUSE-SU-2022:2444-1)", "bulletinFamily": "scanner", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 4.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-1729", "CVE-2022-20154", "CVE-2022-21499"], "modified": "2023-03-10T00:00:00", "cpe": ["cpe:2.3:o:novell:suse_linux:12:*:*:*:*:*:*:*", "p-cpe:2.3:a:novell:suse_linux:kgraft-patch-4_12_14-95_83-default:*:*:*:*:*:*:*"], "id": "SUSE_SU-2022-2444-1.NASL", "href": "https://www.tenable.com/plugins/nessus/163369", "sourceData": "##\n# (C) Tenable, Inc.\n#\n# The package checks in this plugin were extracted from\n# SUSE update advisory SUSE-SU-2022:2444-1. The text itself\n# is copyright (C) SUSE.\n##\n\ninclude('compat.inc');\n\nif (description)\n{\n script_id(163369);\n script_version(\"1.5\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2023/03/10\");\n\n script_cve_id(\"CVE-2022-1729\", \"CVE-2022-20154\", \"CVE-2022-21499\");\n script_xref(name:\"SuSE\", value:\"SUSE-SU-2022:2444-1\");\n\n script_name(english:\"SUSE SLES12 Security Update : kernel (Live Patch 23 for SLE 12 SP4) (SUSE-SU-2022:2444-1)\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote SUSE host is missing one or more security updates.\");\n script_set_attribute(attribute:\"description\", value:\n\"The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in\nthe SUSE-SU-2022:2444-1 advisory.\n\n - A race condition was found the Linux kernel in perf_event_open() which can be exploited by an unprivileged\n user to gain root privileges. 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(CVE-2022-21499)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version\nnumber.\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1199697\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1200059\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1200608\");\n # https://lists.suse.com/pipermail/sle-security-updates/2022-July/011598.html\n script_set_attribute(attribute:\"see_also\", value:\"http://www.nessus.org/u?bf21e9bf\");\n script_set_attribute(attribute:\"see_also\", value:\"https://www.suse.com/security/cve/CVE-2022-1729\");\n script_set_attribute(attribute:\"see_also\", value:\"https://www.suse.com/security/cve/CVE-2022-20154\");\n script_set_attribute(attribute:\"see_also\", value:\"https://www.suse.com/security/cve/CVE-2022-21499\");\n script_set_attribute(attribute:\"solution\", value:\n\"Update the affected kgraft-patch-4_12_14-95_83-default package.\");\n script_set_cvss_base_vector(\"CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P\");\n script_set_cvss_temporal_vector(\"CVSS2#E:U/RL:OF/RC:C\");\n script_set_cvss3_base_vector(\"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\");\n script_set_cvss3_temporal_vector(\"CVSS:3.0/E:U/RL:O/RC:C\");\n script_set_attribute(attribute:\"cvss_score_source\", value:\"CVE-2022-21499\");\n script_set_attribute(attribute:\"cvss3_score_source\", value:\"CVE-2022-1729\");\n\n script_set_attribute(attribute:\"exploitability_ease\", value:\"No known exploits are available\");\n script_set_attribute(attribute:\"exploit_available\", value:\"false\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2022/05/31\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2022/07/19\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2022/07/21\");\n\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:novell:suse_linux:kgraft-patch-4_12_14-95_83-default\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:novell:suse_linux:12\");\n script_set_attribute(attribute:\"generated_plugin\", value:\"current\");\n script_end_attributes();\n\n script_category(ACT_GATHER_INFO);\n script_family(english:\"SuSE Local Security Checks\");\n\n script_copyright(english:\"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n\n script_dependencies(\"ssh_get_info.nasl\");\n script_require_keys(\"Host/local_checks_enabled\", \"Host/cpu\", \"Host/SuSE/release\", \"Host/SuSE/rpm-list\");\n\n exit(0);\n}\n\n\ninclude('rpm.inc');\n\nif (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\nvar os_release = get_kb_item(\"Host/SuSE/release\");\nif (isnull(os_release) || os_release !~ \"^(SLED|SLES)\") audit(AUDIT_OS_NOT, \"SUSE\");\nvar os_ver = pregmatch(pattern: \"^(SLE(S|D)\\d+)\", string:os_release);\nif (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE');\nos_ver = os_ver[1];\nif (! preg(pattern:\"^(SLES12)$\", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES12', 'SUSE (' + os_ver + ')');\n\nvar uname_r = get_kb_item(\"Host/uname-r\");\nif (empty_or_null(uname_r)) audit(AUDIT_UNKNOWN_APP_VER, \"kernel\");\n\nif (!get_kb_item(\"Host/SuSE/rpm-list\")) audit(AUDIT_PACKAGE_LIST_MISSING);\n\nvar cpu = get_kb_item('Host/cpu');\nif (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);\nif ('x86_64' >!< cpu && cpu !~ \"^i[3-6]86$\" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'SUSE (' + os_ver + ')', cpu);\n\nvar service_pack = get_kb_item(\"Host/SuSE/patchlevel\");\nif (isnull(service_pack)) service_pack = \"0\";\nif (os_ver == \"SLES12\" && (! preg(pattern:\"^(4)$\", string:service_pack))) audit(AUDIT_OS_NOT, \"SLES12 SP4\", os_ver + \" SP\" + service_pack);\n\nvar kernel_live_checks = [\n {\n 'kernels': {\n '4.12.14-95.83-default': {\n 'pkgs': [\n {'reference':'kgraft-patch-4_12_14-95_83-default-11-2.3', 'sp':'4', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['sle-live-patching-release-12.4']}\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