ALAS2KERNEL-5.15-2026-111

Amazon Linux 2 Security Advisory: ALAS2KERNEL-5.15-2026-111
Advisory Released Date: 2026-07-27
Advisory Updated Date: 2026-07-27
Severity: Important
Issue Overview:

In the Linux kernel, the following vulnerability has been resolved:

ext4: replace BUG_ON with proper error handling in ext4_read_inline_folio (CVE-2026-31451)

In the Linux kernel, the following vulnerability has been resolved:

net/sched: fix pedit partial COW leading to page cache corruption (CVE-2026-46331)

In the Linux kernel, the following vulnerability has been resolved:

ip6_vti: set netns_immutable on the fallback device. (CVE-2026-52909)

In the Linux kernel, the following vulnerability has been resolved:

af_unix: Reject SIOCATMARK on non-stream sockets (CVE-2026-52928)

In the Linux kernel, the following vulnerability has been resolved:

fuse: limit FUSE_NOTIFY_RETRIEVE to uptodate folios (CVE-2026-53167)

In the Linux kernel, the following vulnerability has been resolved:

KVM: x86: Fix shadow paging use-after-free due to unexpected role (CVE-2026-53359)


Affected Packages:

kernel


Note:

This advisory is applicable to Amazon Linux 2 - Kernel-5.15 Extra. Visit this page to learn more about Amazon Linux 2 (AL2) Extras and this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update kernel or yum update --advisory ALAS2KERNEL-5.15-2026-111 to update your system.
System reboot is required in order to complete this update.

New Packages:
aarch64:
    kernel-5.15.211-149.249.amzn2.aarch64
    kernel-headers-5.15.211-149.249.amzn2.aarch64
    kernel-debuginfo-common-aarch64-5.15.211-149.249.amzn2.aarch64
    perf-5.15.211-149.249.amzn2.aarch64
    perf-debuginfo-5.15.211-149.249.amzn2.aarch64
    python-perf-5.15.211-149.249.amzn2.aarch64
    python-perf-debuginfo-5.15.211-149.249.amzn2.aarch64
    kernel-tools-5.15.211-149.249.amzn2.aarch64
    kernel-tools-devel-5.15.211-149.249.amzn2.aarch64
    kernel-tools-debuginfo-5.15.211-149.249.amzn2.aarch64
    bpftool-5.15.211-149.249.amzn2.aarch64
    bpftool-debuginfo-5.15.211-149.249.amzn2.aarch64
    kernel-devel-5.15.211-149.249.amzn2.aarch64
    kernel-debuginfo-5.15.211-149.249.amzn2.aarch64
    kernel-livepatch-5.15.211-149.249-1.0-0.amzn2.aarch64

i686:
    kernel-headers-5.15.211-149.249.amzn2.i686

src:
    kernel-5.15.211-149.249.amzn2.src

x86_64:
    kernel-5.15.211-149.249.amzn2.x86_64
    kernel-headers-5.15.211-149.249.amzn2.x86_64
    kernel-debuginfo-common-x86_64-5.15.211-149.249.amzn2.x86_64
    perf-5.15.211-149.249.amzn2.x86_64
    perf-debuginfo-5.15.211-149.249.amzn2.x86_64
    python-perf-5.15.211-149.249.amzn2.x86_64
    python-perf-debuginfo-5.15.211-149.249.amzn2.x86_64
    kernel-tools-5.15.211-149.249.amzn2.x86_64
    kernel-tools-devel-5.15.211-149.249.amzn2.x86_64
    kernel-tools-debuginfo-5.15.211-149.249.amzn2.x86_64
    bpftool-5.15.211-149.249.amzn2.x86_64
    bpftool-debuginfo-5.15.211-149.249.amzn2.x86_64
    kernel-devel-5.15.211-149.249.amzn2.x86_64
    kernel-debuginfo-5.15.211-149.249.amzn2.x86_64
    kernel-livepatch-5.15.211-149.249-1.0-0.amzn2.x86_64

Additional References

Release Notes:  Amazon Linux 2 Release Notes

Red Hat: CVE-2026-31451, CVE-2026-46331, CVE-2026-52909, CVE-2026-52928, CVE-2026-53167, CVE-2026-53359

Mitre: CVE-2026-31451, CVE-2026-46331, CVE-2026-52909, CVE-2026-52928, CVE-2026-53167, CVE-2026-53359