ALAS2-2025-2854

Amazon Linux 2 Security Advisory: ALAS2-2025-2854
Advisory Released Date: 2025-05-13
Advisory Updated Date: 2025-08-05
Severity: Important
Issue Overview:

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

btrfs: do not clean up repair bio if submit fails (CVE-2022-49168)

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

bfq: Update cgroup information before merging bio (CVE-2022-49413)

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

blk-throttle: Set BIO_THROTTLED when bio has been throttled (CVE-2022-49465)

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

vlan: enforce underlying device type (CVE-2025-21920)

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

net: atm: fix use after free in lec_send() (CVE-2025-22004)

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

net: atm: add lec_mutex (CVE-2025-38323)


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 or yum update --advisory ALAS2-2025-2854 to update your system.
System reboot is required in order to complete this update.

New Packages:
aarch64:
    kernel-4.14.355-277.643.amzn2.aarch64
    kernel-headers-4.14.355-277.643.amzn2.aarch64
    kernel-debuginfo-common-aarch64-4.14.355-277.643.amzn2.aarch64
    perf-4.14.355-277.643.amzn2.aarch64
    perf-debuginfo-4.14.355-277.643.amzn2.aarch64
    python-perf-4.14.355-277.643.amzn2.aarch64
    python-perf-debuginfo-4.14.355-277.643.amzn2.aarch64
    kernel-tools-4.14.355-277.643.amzn2.aarch64
    kernel-tools-devel-4.14.355-277.643.amzn2.aarch64
    kernel-tools-debuginfo-4.14.355-277.643.amzn2.aarch64
    kernel-devel-4.14.355-277.643.amzn2.aarch64
    kernel-debuginfo-4.14.355-277.643.amzn2.aarch64

i686:
    kernel-headers-4.14.355-277.643.amzn2.i686

src:
    kernel-4.14.355-277.643.amzn2.src

x86_64:
    kernel-4.14.355-277.643.amzn2.x86_64
    kernel-headers-4.14.355-277.643.amzn2.x86_64
    kernel-debuginfo-common-x86_64-4.14.355-277.643.amzn2.x86_64
    perf-4.14.355-277.643.amzn2.x86_64
    perf-debuginfo-4.14.355-277.643.amzn2.x86_64
    python-perf-4.14.355-277.643.amzn2.x86_64
    python-perf-debuginfo-4.14.355-277.643.amzn2.x86_64
    kernel-tools-4.14.355-277.643.amzn2.x86_64
    kernel-tools-devel-4.14.355-277.643.amzn2.x86_64
    kernel-tools-debuginfo-4.14.355-277.643.amzn2.x86_64
    kernel-devel-4.14.355-277.643.amzn2.x86_64
    kernel-debuginfo-4.14.355-277.643.amzn2.x86_64
    kernel-livepatch-4.14.355-277.643-1.0-0.amzn2.x86_64

Changelog:

2025-08-05: CVE-2025-38323 was added to this advisory.

Additional References

Release Notes:  Amazon Linux 2 Release Notes

Red Hat: CVE-2022-49168, CVE-2022-49413, CVE-2022-49465, CVE-2025-21920, CVE-2025-22004, CVE-2025-38323

Mitre: CVE-2022-49168, CVE-2022-49413, CVE-2022-49465, CVE-2025-21920, CVE-2025-22004, CVE-2025-38323