Amazon Linux 2 Security Advisory: ALAS2LIVEPATCH-2025-229
Advisory Released Date: 2025-04-29
Advisory Updated Date: 2025-04-29
Severity:
Medium
Issue Overview:
A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget() which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access to some data. (CVE-2021-4002)
Affected Packages:
kernel-livepatch-5.10.75-79.358
Issue Correction:
Run yum update kernel-livepatch-5.10.75-79.358 to update your system.
New Packages:
aarch64:
kernel-livepatch-5.10.75-79.358-1.0-2.amzn2.aarch64
kernel-livepatch-5.10.75-79.358-debuginfo-1.0-2.amzn2.aarch64
src:
kernel-livepatch-5.10.75-79.358-1.0-2.amzn2.src
x86_64:
kernel-livepatch-5.10.75-79.358-1.0-2.amzn2.x86_64
kernel-livepatch-5.10.75-79.358-debuginfo-1.0-2.amzn2.x86_64