Test ID:	1.3.6.1.4.1.25623.1.1.12.2022.5211.1
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-5211-1)
Summary:	The remote host is missing an update for the 'linux, linux-aws, linux-kvm, linux-lts-xenial' package(s) announced via the USN-5211-1 advisory.
Description:	Summary: The remote host is missing an update for the 'linux, linux-aws, linux-kvm, linux-lts-xenial' package(s) announced via the USN-5211-1 advisory. Vulnerability Insight: Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could use this to leak or alter data from other processes that use huge pages. Affected Software/OS: 'linux, linux-aws, linux-kvm, linux-lts-xenial' package(s) on Ubuntu 14.04, Ubuntu 16.04. Solution: Please install the updated package(s). CVSS Score: 3.6 CVSS Vector: AV:L/AC:L/Au:N/C:P/I:P/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-4002 Debian Security Information: DSA-5096 (Google Search) https://www.debian.org/security/2022/dsa-5096 https://bugzilla.redhat.com/show_bug.cgi?id=2025726 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13e4ad2ce8df6e058ef482a31fdd81c725b0f7ea https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4a118f2eead1d6c49e00765de89878288d4b890 https://www.openwall.com/lists/oss-security/2021/11/25/1 https://www.oracle.com/security-alerts/cpujul2022.html https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
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