ALASKERNEL-5.4-2024-063

Related Vulnerabilities: CVE-2021-46921  

In the Linux kernel, the following vulnerability has been resolved: locking/qrwlock: Fix ordering in queued_write_lock_slowpath() (CVE-2021-46921)

ALASKERNEL-5.4-2024-063


Amazon Linux 2 Security Advisory: ALASKERNEL-5.4-2024-063
Advisory Release Date: 2024-04-25 16:31 Pacific
Advisory Updated Date: 2024-04-25 16:31 Pacific
Severity: Medium

Issue Overview:

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

locking/qrwlock: Fix ordering in queued_write_lock_slowpath() (CVE-2021-46921)


Affected Packages:

kernel


Note:

This advisory is applicable to Amazon Linux 2 - Kernel-5.4 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 to update your system.

New Packages:
aarch64:
    kernel-5.4.110-54.189.amzn2.aarch64
    kernel-headers-5.4.110-54.189.amzn2.aarch64
    kernel-debuginfo-common-aarch64-5.4.110-54.189.amzn2.aarch64
    perf-5.4.110-54.189.amzn2.aarch64
    perf-debuginfo-5.4.110-54.189.amzn2.aarch64
    python-perf-5.4.110-54.189.amzn2.aarch64
    python-perf-debuginfo-5.4.110-54.189.amzn2.aarch64
    kernel-tools-5.4.110-54.189.amzn2.aarch64
    kernel-tools-devel-5.4.110-54.189.amzn2.aarch64
    kernel-tools-debuginfo-5.4.110-54.189.amzn2.aarch64
    bpftool-5.4.110-54.189.amzn2.aarch64
    bpftool-debuginfo-5.4.110-54.189.amzn2.aarch64
    kernel-devel-5.4.110-54.189.amzn2.aarch64
    kernel-debuginfo-5.4.110-54.189.amzn2.aarch64

i686:
    kernel-headers-5.4.110-54.189.amzn2.i686

src:
    kernel-5.4.110-54.189.amzn2.src

x86_64:
    kernel-5.4.110-54.189.amzn2.x86_64
    kernel-headers-5.4.110-54.189.amzn2.x86_64
    kernel-debuginfo-common-x86_64-5.4.110-54.189.amzn2.x86_64
    perf-5.4.110-54.189.amzn2.x86_64
    perf-debuginfo-5.4.110-54.189.amzn2.x86_64
    python-perf-5.4.110-54.189.amzn2.x86_64
    python-perf-debuginfo-5.4.110-54.189.amzn2.x86_64
    kernel-tools-5.4.110-54.189.amzn2.x86_64
    kernel-tools-devel-5.4.110-54.189.amzn2.x86_64
    kernel-tools-debuginfo-5.4.110-54.189.amzn2.x86_64
    bpftool-5.4.110-54.189.amzn2.x86_64
    bpftool-debuginfo-5.4.110-54.189.amzn2.x86_64
    kernel-devel-5.4.110-54.189.amzn2.x86_64
    kernel-debuginfo-5.4.110-54.189.amzn2.x86_64