Amazon Linux 2 Security Advisory: ALAS-2023-2340
Advisory Release Date: 2023-11-09 19:19 Pacific
Advisory Updated Date: 2023-11-15 21:09 Pacific
A race condition between two functions, lmLogClose() and txEnd(), in the Linux kernel's JFS filesystem can lead to a use-after-free vulnerability and crash. (CVE-2023-3397)
A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events (perf) component can be exploited to achieve local privilege escalation.
If perf_read_group() is called while an event's sibling_list is smaller than its child's sibling_list, it can increment or write to memory locations outside of the allocated buffer.
We recommend upgrading past commit 32671e3799ca2e4590773fd0e63aaa4229e50c06. (CVE-2023-5717)
Affected Packages:
kernel
Issue Correction:
Run yum update kernel to update your system.
aarch64:
kernel-4.14.328-248.540.amzn2.aarch64
kernel-headers-4.14.328-248.540.amzn2.aarch64
kernel-debuginfo-common-aarch64-4.14.328-248.540.amzn2.aarch64
perf-4.14.328-248.540.amzn2.aarch64
perf-debuginfo-4.14.328-248.540.amzn2.aarch64
python-perf-4.14.328-248.540.amzn2.aarch64
python-perf-debuginfo-4.14.328-248.540.amzn2.aarch64
kernel-tools-4.14.328-248.540.amzn2.aarch64
kernel-tools-devel-4.14.328-248.540.amzn2.aarch64
kernel-tools-debuginfo-4.14.328-248.540.amzn2.aarch64
kernel-devel-4.14.328-248.540.amzn2.aarch64
kernel-debuginfo-4.14.328-248.540.amzn2.aarch64
i686:
kernel-headers-4.14.328-248.540.amzn2.i686
src:
kernel-4.14.328-248.540.amzn2.src
x86_64:
kernel-4.14.328-248.540.amzn2.x86_64
kernel-headers-4.14.328-248.540.amzn2.x86_64
kernel-debuginfo-common-x86_64-4.14.328-248.540.amzn2.x86_64
perf-4.14.328-248.540.amzn2.x86_64
perf-debuginfo-4.14.328-248.540.amzn2.x86_64
python-perf-4.14.328-248.540.amzn2.x86_64
python-perf-debuginfo-4.14.328-248.540.amzn2.x86_64
kernel-tools-4.14.328-248.540.amzn2.x86_64
kernel-tools-devel-4.14.328-248.540.amzn2.x86_64
kernel-tools-debuginfo-4.14.328-248.540.amzn2.x86_64
kernel-devel-4.14.328-248.540.amzn2.x86_64
kernel-debuginfo-4.14.328-248.540.amzn2.x86_64
kernel-livepatch-4.14.328-248.540-1.0-0.amzn2.x86_64