Amazon Linux 1 Security Advisory: ALAS-2016-642
Advisory Release Date: 2016-01-19 17:07 Pacific
Advisory Updated Date: 2016-01-19 19:08 Pacific
Severity:
Medium
Issue Overview:
Perception Point Research identified (http://perception-point.io/2016/01/14/analysis-and-exploitation-of-a-linux-kernel-vulnerability-cve-2016-0728/) a use-after-free vulnerability, representing a local privilege escalation vulnerability in the Linux kernel. Their post contains a detailed analysis of the bug.
kernel-4.1.13-19.30.amzn1 and earlier versions are impacted.
Affected Packages:
kernel
Issue Correction:
Run yum clean all followed by yum update kernel to update your system. You will need to reboot your system in order for the new kernel to be running.
New Packages:
i686:
kernel-tools-debuginfo-4.1.13-19.31.amzn1.i686
kernel-devel-4.1.13-19.31.amzn1.i686
kernel-headers-4.1.13-19.31.amzn1.i686
perf-debuginfo-4.1.13-19.31.amzn1.i686
kernel-tools-4.1.13-19.31.amzn1.i686
kernel-4.1.13-19.31.amzn1.i686
kernel-tools-devel-4.1.13-19.31.amzn1.i686
perf-4.1.13-19.31.amzn1.i686
kernel-debuginfo-common-i686-4.1.13-19.31.amzn1.i686
kernel-debuginfo-4.1.13-19.31.amzn1.i686
noarch:
kernel-doc-4.1.13-19.31.amzn1.noarch
src:
kernel-4.1.13-19.31.amzn1.src
x86_64:
kernel-tools-4.1.13-19.31.amzn1.x86_64
perf-debuginfo-4.1.13-19.31.amzn1.x86_64
kernel-headers-4.1.13-19.31.amzn1.x86_64
kernel-tools-devel-4.1.13-19.31.amzn1.x86_64
kernel-debuginfo-common-x86_64-4.1.13-19.31.amzn1.x86_64
kernel-tools-debuginfo-4.1.13-19.31.amzn1.x86_64
kernel-debuginfo-4.1.13-19.31.amzn1.x86_64
kernel-4.1.13-19.31.amzn1.x86_64
kernel-devel-4.1.13-19.31.amzn1.x86_64
perf-4.1.13-19.31.amzn1.x86_64