Test ID:	1.3.6.1.4.1.25623.1.0.845402
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-5470-1)
Summary:	The remote host is missing an update for the 'linux-oem-5.14' package(s) announced via the USN-5470-1 advisory.
Description:	Summary: The remote host is missing an update for the 'linux-oem-5.14' package(s) announced via the USN-5470-1 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) Minh Yuan discovered that the floppy driver in the Linux kernel contained a race condition 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 possibly execute arbitrary code. (CVE-2022-1836) 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) Affected Software/OS: 'linux-oem-5.14' package(s) on Ubuntu 20.04. 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-2022-1836 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
Copyright	Copyright (C) 2022 Greenbone AG

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