Test ID:	1.3.6.1.4.1.25623.1.0.844318
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4255-2)
Summary:	The remote host is missing an update for the 'linux-aws-hwe, linux-hwe' package(s) announced via the USN-4255-2 advisory.
Description:	Summary: The remote host is missing an update for the 'linux-aws-hwe, linux-hwe' package(s) announced via the USN-4255-2 advisory. Vulnerability Insight: USN-4255-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. (CVE-2019-14615) It was discovered that a race condition can lead to a use-after-free while destroying GEM contexts in the i915 driver for the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2020-7053) Affected Software/OS: 'linux-aws-hwe, linux-hwe' package(s) on Ubuntu 16.04. 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-2019-14615 http://seclists.org/fulldisclosure/2020/Mar/31 http://packetstormsecurity.com/files/156185/Kernel-Live-Patch-Security-Notice-LSN-0062-1.html http://packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html SuSE Security Announcement: openSUSE-SU-2020:0336 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html https://usn.ubuntu.com/4253-1/ https://usn.ubuntu.com/4253-2/ https://usn.ubuntu.com/4254-1/ https://usn.ubuntu.com/4254-2/ https://usn.ubuntu.com/4255-1/ https://usn.ubuntu.com/4255-2/ https://usn.ubuntu.com/4284-1/ https://usn.ubuntu.com/4285-1/ https://usn.ubuntu.com/4286-1/ https://usn.ubuntu.com/4286-2/ https://usn.ubuntu.com/4287-1/ https://usn.ubuntu.com/4287-2/ Common Vulnerability Exposure (CVE) ID: CVE-2020-7053 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7dc40713618c884bf07c030d1ab1f47a9dc1f310 https://lore.kernel.org/stable/20200114183937.12224-1-tyhicks@canonical.com
Copyright	Copyright (C) 2020 Greenbone AG

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