The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5622-1 advisory.
- When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds. (CVE-2021-33655)
- A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem. (CVE-2022-1012)
- 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)
- Dm-verity is used for extending root-of-trust to root filesystems. LoadPin builds on this property to restrict module/firmware loads to just the trusted root filesystem. Device-mapper table reloads currently allow users with root privileges to switch out the target with an equivalent dm-linear target and bypass verification till reboot. This allows root to bypass LoadPin and can be used to load untrusted and unverified kernel modules and firmware, which implies arbitrary kernel execution and persistence for peripherals that do not verify firmware updates. We recommend upgrading past commit 4caae58406f8ceb741603eee460d79bacca9b1b5 (CVE-2022-2503)
- The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. (CVE-2022-32296)
- 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)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
{"id": "UBUNTU_USN-5622-1.NASL", "vendorId": null, "type": "nessus", "bulletinFamily": "scanner", "title": "Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5622-1)", "description": "The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5622-1 advisory.\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 - A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem. (CVE-2022-1012)\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 - Dm-verity is used for extending root-of-trust to root filesystems. LoadPin builds on this property to restrict module/firmware loads to just the trusted root filesystem. Device-mapper table reloads currently allow users with root privileges to switch out the target with an equivalent dm-linear target and bypass verification till reboot. This allows root to bypass LoadPin and can be used to load untrusted and unverified kernel modules and firmware, which implies arbitrary kernel execution and persistence for peripherals that do not verify firmware updates. We recommend upgrading past commit 4caae58406f8ceb741603eee460d79bacca9b1b5 (CVE-2022-2503)\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 - 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.", "published": "2022-09-21T00:00:00", "modified": "2023-10-16T00:00:00", "epss": [], "cvss": {"score": 0.0, "vector": "NONE"}, "cvss2": {}, "cvss3": {}, "href": "https://www.tenable.com/plugins/nessus/165287", "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-2022-36946", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1012", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-32296", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1729", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33655", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2503", "https://ubuntu.com/security/notices/USN-5622-1"], "cvelist": ["CVE-2021-33655", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-2503", "CVE-2022-32296", "CVE-2022-36946"], "immutableFields": [], "lastseen": "2023-10-18T14:56:57", "viewCount": 54, "enchantments": {"dependencies": {"references": [{"type": "almalinux", "idList": ["ALSA-2022:5249", "ALSA-2022:5267", "ALSA-2022:5564", "ALSA-2022:5565", "ALSA-2022:5819", "ALSA-2022:5834", "ALSA-2022:7444", "ALSA-2022:7683", "ALSA-2022:7933", "ALSA-2022:8267", "ALSA-2023:2148", "ALSA-2023:2458", "ALSA-2023:2736", "ALSA-2023:2951"]}, {"type": "altlinux", "idList": ["3389D346758499949D2E8B5AA776BFA2", "69D1753D74C2782AF5C4B3E24536D125"]}, {"type": "amazon", "idList": ["ALAS-2022-1591", "ALAS-2022-1604", "ALAS-2022-1636", "ALAS-2022-1798", "ALAS-2022-1852", "ALAS2-2022-1798", "ALAS2-2022-1813", "ALAS2-2022-1833", "ALAS2-2022-1838", "ALAS2-2022-1852"]}, {"type": "avleonov", "idList": ["AVLEONOV:317FBD7DA93C95993A9FFF38FB04A987", "AVLEONOV:CA14883EDC0D830220313DB4AE994C8A"]}, {"type": "centos", "idList": ["CESA-2022:5232"]}, 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('18.04' >< os_release || '20.04' >< os_release)) audit(AUDIT_OS_NOT, 'Ubuntu 18.04 / 20.04', 'Ubuntu ' + os_release);\nif ( ! get_kb_item('Host/Debian/dpkg-l') ) 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, 'Ubuntu', cpu);\n\nvar kernel_mappings = {\n '18.04': {\n '5.4.0': {\n 'generic': '5.4.0-126',\n 'generic-lpae': '5.4.0-126',\n 'lowlatency': '5.4.0-126',\n 'ibm': '5.4.0-1033',\n 'oracle': '5.4.0-1083',\n 'aws': '5.4.0-1085',\n 'azure': '5.4.0-1091'\n }\n },\n '20.04': {\n '5.4.0': {\n 'generic': '5.4.0-126',\n 'generic-lpae': '5.4.0-126',\n 'lowlatency': '5.4.0-126',\n 'ibm': '5.4.0-1033',\n 'bluefield': '5.4.0-1046',\n 'gkeop': '5.4.0-1053',\n 'raspi': '5.4.0-1070',\n 'kvm': '5.4.0-1075',\n 'oracle': '5.4.0-1083',\n 'aws': '5.4.0-1085',\n 'azure': '5.4.0-1091'\n }\n }\n};\n\nvar host_kernel_release = get_kb_item_or_exit('Host/uname-r');\nvar host_kernel_version = get_kb_item_or_exit('Host/Debian/kernel-version');\nvar host_kernel_base_version = get_kb_item_or_exit('Host/Debian/kernel-base-version');\nvar host_kernel_type = get_kb_item_or_exit('Host/Debian/kernel-type');\nif(empty_or_null(kernel_mappings[os_release][host_kernel_base_version][host_kernel_type])) audit(AUDIT_INST_VER_NOT_VULN, 'kernel ' + host_kernel_release);\n\nvar extra = '';\nvar kernel_fixed_version = kernel_mappings[os_release][host_kernel_base_version][host_kernel_type];\nif (deb_ver_cmp(ver1:host_kernel_version, ver2:kernel_fixed_version) < 0)\n{\n extra = extra + 'Running Kernel level of ' + host_kernel_version + ' does not meet the minimum fixed level of ' + kernel_fixed_version + ' for this advisory.\\n\\n';\n}\n else\n{\n audit(AUDIT_PATCH_INSTALLED, 'Kernel package for USN-5622-1');\n}\n\nif (get_one_kb_item('Host/ksplice/kernel-cves'))\n{\n var cve_list = make_list('CVE-2021-33655', 'CVE-2022-1012', 'CVE-2022-1729', 'CVE-2022-2503', 'CVE-2022-32296', 'CVE-2022-36946');\n if (ksplice_cves_check(cve_list))\n {\n audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for USN-5622-1');\n }\n else\n {\n extra = extra + ksplice_reporting_text();\n }\n}\nif (extra) {\n security_report_v4(\n port : 0,\n severity : SECURITY_NOTE,\n extra : extra\n );\n exit(0);\n}\n", "naslFamily": "Ubuntu Local Security Checks", "cpe": ["cpe:/o:canonical:ubuntu_linux:18.04:-:lts", "cpe:/o:canonical:ubuntu_linux:20.04:-:lts", "p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1033-ibm", "p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1046-bluefield", "p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1053-gkeop", "p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1070-raspi", "p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1075-kvm", "p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1083-oracle", "p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1085-aws", "p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1091-azure", "p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-126-generic", "p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-126-generic-lpae", "p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-126-lowlatency"], "solution": "Update the affected kernel package.", "nessusSeverity": "Low", "cvssScoreSource": "CVE-2022-32296", "vendor_cvss2": {"score": 2.1, "vector": "CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N"}, "vendor_cvss3": {"score": 8.2, "vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"}, "vpr": {"risk factor": "Medium", "score": "6.7"}, "exploitAvailable": true, "exploitEase": "Exploits are available", "patchPublicationDate": "2022-09-21T00:00:00", "vulnerabilityPublicationDate": "2022-05-31T00:00:00", "exploitableWith": []}
{"ubuntu": [{"lastseen": "2023-12-06T18:31:18", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n * Ubuntu 18.04 ESM\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": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 6.4, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "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": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:P"}}, {"lastseen": "2023-12-06T18:30:34", "description": "## Releases\n\n * Ubuntu 18.04 ESM\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": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 6.4, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "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": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:P"}}, {"lastseen": "2023-12-06T18:31:10", "description": "## Releases\n\n * Ubuntu 18.04 ESM\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": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 6.4, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "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": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:P"}}, {"lastseen": "2023-12-06T18:31:04", "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": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 6.4, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "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": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:P"}}, {"lastseen": "2023-12-06T18:30:52", "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": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 6.4, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "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": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:P"}}, {"lastseen": "2023-12-06T18:30:42", "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": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 6.4, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "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": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:P"}}, {"lastseen": "2023-12-06T18:30:49", "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": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "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": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-12-06T18:31:17", "description": "## Releases\n\n * Ubuntu 18.04 ESM\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 * linux-aws-hwe \\- Linux kernel for Amazon Web Services (AWS-HWE) systems\n * linux-azure-4.15 \\- Linux kernel for Microsoft Azure Cloud systems\n * linux-dell300x \\- Linux kernel for Dell 300x platforms\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 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": "2022-09-21T00:00:00", "type": "ubuntu", "title": "Linux kernel vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-36946"], "modified": "2022-09-21T00:00:00", "id": "USN-5621-1", "href": "https://ubuntu.com/security/notices/USN-5621-1", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-12-06T18:31:26", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-intel-iotg \\- Linux kernel for Intel IoT platforms\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\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\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\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", "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": "2022-09-16T00:00:00", "type": "ubuntu", "title": "Linux kernel (Intel IoTG) 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-2021-33061", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-1852", "CVE-2022-1943", "CVE-2022-1973", "CVE-2022-2503", "CVE-2022-2873", "CVE-2022-2959", "CVE-2022-32296"], "modified": "2022-09-16T00:00:00", "id": "USN-5616-1", "href": "https://ubuntu.com/security/notices/USN-5616-1", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-12-06T18:32:11", "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": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "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": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-12-06T18:31:15", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n\n## Packages\n\n * linux-hwe-5.15 \\- Linux hardware enablement (HWE) kernel\n * linux-lowlatency-hwe-5.15 \\- Linux low latency kernel\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\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). (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 (HWE) 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-2021-33061", "CVE-2021-33655", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-1852", "CVE-2022-1943", "CVE-2022-1973", "CVE-2022-2318", "CVE-2022-2503", "CVE-2022-26365", "CVE-2022-2873", "CVE-2022-2959", "CVE-2022-32296", "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-5623-1", "href": "https://ubuntu.com/security/notices/USN-5623-1", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-12-06T18:31:10", "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": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "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": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-12-06T18:31:58", "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": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "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": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-12-06T18:31:45", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-raspi \\- Linux kernel for Raspberry Pi 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\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\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\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\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", "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": "2022-09-08T00:00:00", "type": "ubuntu", "title": "Linux kernel (Raspberry Pi) 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-2021-33061", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-1852", "CVE-2022-1943", "CVE-2022-1973", "CVE-2022-2503", "CVE-2022-2873", "CVE-2022-2959"], "modified": "2022-09-08T00:00:00", "id": "USN-5602-1", "href": "https://ubuntu.com/security/notices/USN-5602-1", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-12-06T18:31:52", "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-gcp \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gcp-5.15 \\- Linux kernel for Google Cloud Platform (GCP) systems\n * linux-gke \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-gke-5.15 \\- Linux kernel for Google Container Engine (GKE) systems\n * linux-gkeop \\- 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\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\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\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\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\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", "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": "2022-09-02T00:00:00", "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-2021-33061", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-1852", "CVE-2022-1943", "CVE-2022-1973", "CVE-2022-2503", "CVE-2022-2873", "CVE-2022-2959"], "modified": "2022-09-02T00:00:00", "id": "USN-5594-1", "href": "https://ubuntu.com/security/notices/USN-5594-1", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-12-06T18:31:45", "description": "## Releases\n\n * Ubuntu 22.04 LTS\n\n## Packages\n\n * linux-oracle \\- Linux kernel for Oracle Cloud 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\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\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\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\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", "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": "2022-09-05T00:00:00", "type": "ubuntu", "title": "Linux kernel (Oracle) 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-2021-33061", "CVE-2022-1012", "CVE-2022-1729", "CVE-2022-1852", "CVE-2022-1943", "CVE-2022-1973", "CVE-2022-2503", "CVE-2022-2873", "CVE-2022-2959"], "modified": "2022-09-05T00:00:00", "id": "USN-5599-1", "href": "https://ubuntu.com/security/notices/USN-5599-1", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-12-06T18:31:49", "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": "MEDIUM", "exploitabilityScore": 2.5, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 4.0, "vectorString": "AV:L/AC:L/Au:M/C:P/I:P/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "MULTIPLE"}, "impactScore": 6.4, "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": 4.0, "vector": "AV:L/AC:L/Au:M/C:P/I:P/A:P"}}, {"lastseen": "2023-12-06T18:32:15", "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": "MEDIUM", "exploitabilityScore": 2.5, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 4.0, "vectorString": "AV:L/AC:L/Au:M/C:P/I:P/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "MULTIPLE"}, "impactScore": 6.4, "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": 4.0, "vector": "AV:L/AC:L/Au:M/C:P/I:P/A:P"}}, {"lastseen": "2023-12-06T18:30:51", "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). 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(CVE-2022-0812)\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\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\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. 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(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\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. 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(CVE-2021-33061)\n\n - A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem. (CVE-2022-1012)\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 - A NULL pointer dereference flaw was found in the Linux kernel's KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU. (CVE-2022-1852)\n\n - A flaw out of bounds memory write in the Linux kernel UDF file system functionality was found in the way user triggers some file operation which triggers udf_write_fi(). 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(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 - Product: AndroidVersions: Android kernelAndroid ID: A-224546354References: Upstream kernel (CVE-2022-20368)\n\n - Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions. (CVE-2022-29581)\n\n - The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 ('Double-Hash Port Selection Algorithm') of RFC 6056.\n (CVE-2022-32296)\n\n - An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. 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(CVE-2021-33061)\n\n - A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem. (CVE-2022-1012)\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 - A NULL pointer dereference flaw was found in the Linux kernel's KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU. (CVE-2022-1852)\n\n - A flaw out of bounds memory write in the Linux kernel UDF file system functionality was found in the way user triggers some file operation which triggers udf_write_fi(). 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This could lead to local information disclosure if reading from an SD card that triggers errors, with no additional execution privileges needed. User interaction is not needed for exploitation.Product:\n AndroidVersions: Android kernelAndroid ID: A-216481035References: Upstream kernel (CVE-2022-20008)\n\n - Dm-verity is used for extending root-of-trust to root filesystems. LoadPin builds on this property to restrict module/firmware loads to just the trusted root filesystem. Device-mapper table reloads currently allow users with root privileges to switch out the target with an equivalent dm-linear target and bypass verification till reboot. This allows root to bypass LoadPin and can be used to load untrusted and unverified kernel modules and firmware, which implies arbitrary kernel execution and persistence for peripherals that do not verify firmware updates. We recommend upgrading past commit 4caae58406f8ceb741603eee460d79bacca9b1b5 (CVE-2022-2503)\n\n - The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 (Double-Hash Port Selection Algorithm) of RFC 6056.\n (CVE-2022-32296)\n\n - A flaw use after free in the Linux kernel video4linux driver was found in the way user triggers em28xx_usb_probe() for the Empia 28xx based TV cards. A local user could use this flaw to crash the system or potentially escalate their privileges on the system. (CVE-2022-3239)\n\n - A race condition flaw was found in the Linux kernel sound subsystem due to improper locking. It could lead to a NULL pointer dereference while handling the SNDCTL_DSP_SYNC ioctl. 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Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5622-1)
