Amazon Linux AMI Security Advisory: ALAS-2019-1167
Advisory Release Date: 2019-03-07 18:18 Pacific
Advisory Updated Date: 2019-03-25 23:18 Pacific
Severity:
Important
References:
CVE-2019-8912
Issue Overview:
In the Linux kernel af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free (UAF) in sockfs_setattr. A local attacker can use this flaw to escalate privileges and take control of the system. (CVE-2019-8912)
Affected Packages:
kernel
Issue Correction:
Run yum update kernel to update your system.
New Packages:
i686:
kernel-debuginfo-common-i686-4.14.104-78.84.amzn1.i686
kernel-tools-devel-4.14.104-78.84.amzn1.i686
kernel-devel-4.14.104-78.84.amzn1.i686
perf-4.14.104-78.84.amzn1.i686
kernel-4.14.104-78.84.amzn1.i686
kernel-headers-4.14.104-78.84.amzn1.i686
perf-debuginfo-4.14.104-78.84.amzn1.i686
kernel-tools-debuginfo-4.14.104-78.84.amzn1.i686
kernel-debuginfo-4.14.104-78.84.amzn1.i686
kernel-tools-4.14.104-78.84.amzn1.i686
src:
kernel-4.14.104-78.84.amzn1.src
x86_64:
perf-debuginfo-4.14.104-78.84.amzn1.x86_64
kernel-debuginfo-common-x86_64-4.14.104-78.84.amzn1.x86_64
kernel-headers-4.14.104-78.84.amzn1.x86_64
kernel-devel-4.14.104-78.84.amzn1.x86_64
kernel-tools-debuginfo-4.14.104-78.84.amzn1.x86_64
perf-4.14.104-78.84.amzn1.x86_64
kernel-debuginfo-4.14.104-78.84.amzn1.x86_64
kernel-4.14.104-78.84.amzn1.x86_64
kernel-tools-4.14.104-78.84.amzn1.x86_64
kernel-tools-devel-4.14.104-78.84.amzn1.x86_64