Test ID:	1.3.6.1.4.1.25623.1.0.845408
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-5468-1)
Summary:	The remote host is missing an update for the 'linux, linux-aws, linux-aws-5.13, linux-azure, linux-azure-5.13, linux-gcp, linux-gcp-5.13, linux-hwe-5.13, linux-intel-5.13, linux-kvm, linux-oracle, linux-oracle-5.13, linux-raspi' package(s) announced via the USN-5468-1 advisory.
Description:	Summary: The remote host is missing an update for the 'linux, linux-aws, linux-aws-5.13, linux-azure, linux-azure-5.13, linux-gcp, linux-gcp-5.13, linux-hwe-5.13, linux-intel-5.13, linux-kvm, linux-oracle, linux-oracle-5.13, linux-raspi' package(s) announced via the USN-5468-1 advisory. Vulnerability Insight: It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. (CVE-2022-21499) 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) Qiuhao Li, Gaoning Pan and Yongkang Jia discovered that the KVM implementation in the Linux kernel did not properly perform guest page table updates in some situations. An attacker in a guest vm could possibly use this to crash the host OS. (CVE-2022-1158) Ziming Zhang discovered that the netfilter subsystem in the Linux kernel did not properly validate sets with multiple ranged fields. A local attacker could use this to cause a denial of service or execute arbitrary code. (CVE-2022-1972) It was discovered that the USB Gadget file system interface in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-24958) It was discovered that the EMS CAN/USB interface implementation in the Linux kernel contained a double-free vulnerability when handling certain error conditions. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2022-28390) Affected Software/OS: 'linux, linux-aws, linux-aws-5.13, linux-azure, linux-azure-5.13, linux-gcp, linux-gcp-5.13, linux-hwe-5.13, linux-intel-5.13, linux-kvm, linux-oracle, linux-oracle-5.13, linux-raspi' package(s) on Ubuntu 20.04, Ubuntu 21.10. Solution: Please install the updated package(s). CVSS Score: 4.6 CVSS Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2022-1158 https://bugzilla.redhat.com/show_bug.cgi?id=2069793 https://www.openwall.com/lists/oss-security/2022/04/08/4 Common Vulnerability Exposure (CVE) ID: CVE-2022-1966 Common Vulnerability Exposure (CVE) ID: CVE-2022-1972 Common Vulnerability Exposure (CVE) ID: CVE-2022-21499 Debian Security Information: DSA-5161 (Google Search) https://www.debian.org/security/2022/dsa-5161 http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.html https://git.kernel.org/linus/eadb2f47a3ced5c64b23b90fd2a3463f63726066 Common Vulnerability Exposure (CVE) ID: CVE-2022-24958 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SUVZA2YVOQJBJTDIDQ5HF5TAU2C6WP6H/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TCW2KZYJ2H6BKZE3CVLHRIXYDGNYYC5P/ https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=89f3594d0de58e8a57d92d497dea9fee3d4b9cda https://github.com/torvalds/linux/commit/501e38a5531efbd77d5c73c0ba838a889bfc1d74 https://github.com/torvalds/linux/commit/89f3594d0de58e8a57d92d497dea9fee3d4b9cda https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html Common Vulnerability Exposure (CVE) ID: CVE-2022-28390 Debian Security Information: DSA-5127 (Google Search) https://www.debian.org/security/2022/dsa-5127 Debian Security Information: DSA-5173 (Google Search) https://www.debian.org/security/2022/dsa-5173 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XFMPUI3WI4U2F7ONHRW36WDY4ZE7LGGT/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6IHHC455LMSJNG4CSZ5CEAHYWY2DE5YW/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LAWC35TO642FOP3UCA3C6IF7NAUFOVZ6/ https://github.com/torvalds/linux/commit/c70222752228a62135cee3409dccefd494a24646
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