Amazon Linux 1 Security Advisory: ALAS-2018-1044
Advisory Release Date: 2018-06-27 21:53 Pacific
Advisory Updated Date: 2018-07-24 21:03 Pacific
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
Issue Correction:
Run yum update kernel and reboot the instance to update your system.
i686:
perf-debuginfo-4.14.51-60.38.amzn1.i686
kernel-devel-4.14.51-60.38.amzn1.i686
kernel-debuginfo-common-i686-4.14.51-60.38.amzn1.i686
kernel-tools-debuginfo-4.14.51-60.38.amzn1.i686
kernel-headers-4.14.51-60.38.amzn1.i686
kernel-tools-devel-4.14.51-60.38.amzn1.i686
kernel-tools-4.14.51-60.38.amzn1.i686
kernel-4.14.51-60.38.amzn1.i686
kernel-debuginfo-4.14.51-60.38.amzn1.i686
perf-4.14.51-60.38.amzn1.i686
src:
kernel-4.14.51-60.38.amzn1.src
x86_64:
kernel-devel-4.14.51-60.38.amzn1.x86_64
kernel-tools-debuginfo-4.14.51-60.38.amzn1.x86_64
perf-4.14.51-60.38.amzn1.x86_64
kernel-tools-4.14.51-60.38.amzn1.x86_64
kernel-debuginfo-common-x86_64-4.14.51-60.38.amzn1.x86_64
kernel-debuginfo-4.14.51-60.38.amzn1.x86_64
kernel-4.14.51-60.38.amzn1.x86_64
kernel-headers-4.14.51-60.38.amzn1.x86_64
kernel-tools-devel-4.14.51-60.38.amzn1.x86_64
perf-debuginfo-4.14.51-60.38.amzn1.x86_64