ALAS2KERNEL-5.15-2025-093


Amazon Linux 2 Security Advisory: ALAS2KERNEL-5.15-2025-093
Advisory Released Date: 2025-10-27
Advisory Updated Date: 2025-11-11
Severity: Important

Issue Overview:

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

netdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed (CVE-2022-50500)

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

libceph: fix invalid accesses to ceph_connection_v1_info (CVE-2025-39880)

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

mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory (CVE-2025-39883)

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

tcp_bpf: Call sk_msg_free() when tcp_bpf_send_verdict() fails to allocate psock->cork. (CVE-2025-39913)

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

cgroup: split cgroup_destroy_wq into 3 workqueues (CVE-2025-39953)

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

tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect(). (CVE-2025-39955)

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

crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg (CVE-2025-39964)

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

fbcon: fix integer overflow in fbcon_do_set_font (CVE-2025-39967)

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

nexthop: Forbid FDB status change while nexthop is in a group (CVE-2025-39980)

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

tracing: dynevent: Add a missing lockdown check on dynevent (CVE-2025-40021)


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-5.15-2025-093 to update your system.
System reboot is required in order to complete this update.

New Packages:
aarch64:
    kernel-5.15.194-135.217.amzn2.aarch64
    kernel-headers-5.15.194-135.217.amzn2.aarch64
    kernel-debuginfo-common-aarch64-5.15.194-135.217.amzn2.aarch64
    perf-5.15.194-135.217.amzn2.aarch64
    perf-debuginfo-5.15.194-135.217.amzn2.aarch64
    python-perf-5.15.194-135.217.amzn2.aarch64
    python-perf-debuginfo-5.15.194-135.217.amzn2.aarch64
    kernel-tools-5.15.194-135.217.amzn2.aarch64
    kernel-tools-devel-5.15.194-135.217.amzn2.aarch64
    kernel-tools-debuginfo-5.15.194-135.217.amzn2.aarch64
    bpftool-5.15.194-135.217.amzn2.aarch64
    bpftool-debuginfo-5.15.194-135.217.amzn2.aarch64
    kernel-devel-5.15.194-135.217.amzn2.aarch64
    kernel-debuginfo-5.15.194-135.217.amzn2.aarch64
    kernel-livepatch-5.15.194-135.217-1.0-0.amzn2.aarch64

i686:
    kernel-headers-5.15.194-135.217.amzn2.i686

src:
    kernel-5.15.194-135.217.amzn2.src

x86_64:
    kernel-5.15.194-135.217.amzn2.x86_64
    kernel-headers-5.15.194-135.217.amzn2.x86_64
    kernel-debuginfo-common-x86_64-5.15.194-135.217.amzn2.x86_64
    perf-5.15.194-135.217.amzn2.x86_64
    perf-debuginfo-5.15.194-135.217.amzn2.x86_64
    python-perf-5.15.194-135.217.amzn2.x86_64
    python-perf-debuginfo-5.15.194-135.217.amzn2.x86_64
    kernel-tools-5.15.194-135.217.amzn2.x86_64
    kernel-tools-devel-5.15.194-135.217.amzn2.x86_64
    kernel-tools-debuginfo-5.15.194-135.217.amzn2.x86_64
    bpftool-5.15.194-135.217.amzn2.x86_64
    bpftool-debuginfo-5.15.194-135.217.amzn2.x86_64
    kernel-devel-5.15.194-135.217.amzn2.x86_64
    kernel-debuginfo-5.15.194-135.217.amzn2.x86_64
    kernel-livepatch-5.15.194-135.217-1.0-0.amzn2.x86_64