Amazon Linux 2 Security Advisory: ALAS-2018-1044
Advisory Release Date: 2018-06-27 21:55 Pacific
Advisory Updated Date: 2018-07-05 21:44 Pacific
Severity:
Medium
Issue Overview:
A NULL pointer dereference issue was found in the Linux kernel. If the close() and fchownat() system calls share a socket file descriptor as an argument, then the two calls can race and trigger a NULL pointer dereference leading to a system crash and a denial of service.(CVE-2018-12232)
Affected Packages:
kernel
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update kernel to update your system.
New Packages:
i686:
kernel-headers-4.14.51-66.38.amzn2.i686
src:
kernel-4.14.51-66.38.amzn2.src
x86_64:
kernel-4.14.51-66.38.amzn2.x86_64
kernel-headers-4.14.51-66.38.amzn2.x86_64
kernel-debuginfo-common-x86_64-4.14.51-66.38.amzn2.x86_64
perf-4.14.51-66.38.amzn2.x86_64
perf-debuginfo-4.14.51-66.38.amzn2.x86_64
python-perf-4.14.51-66.38.amzn2.x86_64
python-perf-debuginfo-4.14.51-66.38.amzn2.x86_64
kernel-tools-4.14.51-66.38.amzn2.x86_64
kernel-tools-devel-4.14.51-66.38.amzn2.x86_64
kernel-tools-debuginfo-4.14.51-66.38.amzn2.x86_64
kernel-devel-4.14.51-66.38.amzn2.x86_64
kernel-debuginfo-4.14.51-66.38.amzn2.x86_64