ALAS2KERNEL-5.15-2025-088

Amazon Linux 2 Security Advisory: ALAS2KERNEL-5.15-2025-088
Advisory Released Date: 2025-09-04
Advisory Updated Date: 2025-09-17
Severity: Important
Issue Overview:

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

dma-buf/dma-resv: check if the new fence is really later (CVE-2022-49935)

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

mptcp: do not queue data on closed subflows (CVE-2022-50070)

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

netfilter: nft_set_pipapo: prevent overflow in lookup table allocation (CVE-2025-38162)

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

fbdev: Fix do_register_framebuffer to prevent null-ptr-deref in fb_videomode_to_var (CVE-2025-38215)

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

af_unix: Don't leave consecutive consumed OOB skbs. (CVE-2025-38236)

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

bridge: mcast: Fix use-after-free during router port configuration (CVE-2025-38248)


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-5.15-2025-088 to update your system.
System reboot is required in order to complete this update.

New Packages:
aarch64:
    kernel-5.15.189-131.211.amzn2.aarch64
    kernel-headers-5.15.189-131.211.amzn2.aarch64
    kernel-debuginfo-common-aarch64-5.15.189-131.211.amzn2.aarch64
    perf-5.15.189-131.211.amzn2.aarch64
    perf-debuginfo-5.15.189-131.211.amzn2.aarch64
    python-perf-5.15.189-131.211.amzn2.aarch64
    python-perf-debuginfo-5.15.189-131.211.amzn2.aarch64
    kernel-tools-5.15.189-131.211.amzn2.aarch64
    kernel-tools-devel-5.15.189-131.211.amzn2.aarch64
    kernel-tools-debuginfo-5.15.189-131.211.amzn2.aarch64
    bpftool-5.15.189-131.211.amzn2.aarch64
    bpftool-debuginfo-5.15.189-131.211.amzn2.aarch64
    kernel-devel-5.15.189-131.211.amzn2.aarch64
    kernel-debuginfo-5.15.189-131.211.amzn2.aarch64
    kernel-livepatch-5.15.189-131.211-1.0-0.amzn2.aarch64

i686:
    kernel-headers-5.15.189-131.211.amzn2.i686

src:
    kernel-5.15.189-131.211.amzn2.src

x86_64:
    kernel-5.15.189-131.211.amzn2.x86_64
    kernel-headers-5.15.189-131.211.amzn2.x86_64
    kernel-debuginfo-common-x86_64-5.15.189-131.211.amzn2.x86_64
    perf-5.15.189-131.211.amzn2.x86_64
    perf-debuginfo-5.15.189-131.211.amzn2.x86_64
    python-perf-5.15.189-131.211.amzn2.x86_64
    python-perf-debuginfo-5.15.189-131.211.amzn2.x86_64
    kernel-tools-5.15.189-131.211.amzn2.x86_64
    kernel-tools-devel-5.15.189-131.211.amzn2.x86_64
    kernel-tools-debuginfo-5.15.189-131.211.amzn2.x86_64
    bpftool-5.15.189-131.211.amzn2.x86_64
    bpftool-debuginfo-5.15.189-131.211.amzn2.x86_64
    kernel-devel-5.15.189-131.211.amzn2.x86_64
    kernel-debuginfo-5.15.189-131.211.amzn2.x86_64
    kernel-livepatch-5.15.189-131.211-1.0-0.amzn2.x86_64

Changelog:

2025-09-17: CVE-2025-38248 was added to this advisory.

Additional References

Release Notes:  Amazon Linux 2 Release Notes

Red Hat: CVE-2022-49935, CVE-2022-50070, CVE-2025-38162, CVE-2025-38215, CVE-2025-38236, CVE-2025-38248

Mitre: CVE-2022-49935, CVE-2022-50070, CVE-2025-38162, CVE-2025-38215, CVE-2025-38236, CVE-2025-38248