ALAS2KERNEL-5.4-2025-113

Amazon Linux 2 Security Advisory: ALAS2KERNEL-5.4-2025-113
Advisory Released Date: 2025-10-27
Advisory Updated Date: 2025-10-27
Severity: Important
Issue Overview:

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

sched, cpuset: Fix dl_cpu_busy() panic due to empty cs->cpus_allowed (CVE-2022-50103)

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:

scsi: qla2xxx: Use raw_smp_processor_id() instead of smp_processor_id() (CVE-2023-53530)

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

smb: client: fix use-after-free in cifs_oplock_break (CVE-2025-38527)

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

net: bridge: fix soft lockup in br_multicast_query_expired() (CVE-2025-39773)


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 or yum update --advisory ALAS2KERNEL-5.4-2025-113 to update your system.
System reboot is required in order to complete this update.

New Packages:
aarch64:
    kernel-5.4.300-220.446.amzn2.aarch64
    kernel-headers-5.4.300-220.446.amzn2.aarch64
    kernel-debuginfo-common-aarch64-5.4.300-220.446.amzn2.aarch64
    perf-5.4.300-220.446.amzn2.aarch64
    perf-debuginfo-5.4.300-220.446.amzn2.aarch64
    python-perf-5.4.300-220.446.amzn2.aarch64
    python-perf-debuginfo-5.4.300-220.446.amzn2.aarch64
    kernel-tools-5.4.300-220.446.amzn2.aarch64
    kernel-tools-devel-5.4.300-220.446.amzn2.aarch64
    kernel-tools-debuginfo-5.4.300-220.446.amzn2.aarch64
    bpftool-5.4.300-220.446.amzn2.aarch64
    bpftool-debuginfo-5.4.300-220.446.amzn2.aarch64
    kernel-devel-5.4.300-220.446.amzn2.aarch64
    kernel-debuginfo-5.4.300-220.446.amzn2.aarch64

i686:
    kernel-headers-5.4.300-220.446.amzn2.i686

src:
    kernel-5.4.300-220.446.amzn2.src

x86_64:
    kernel-5.4.300-220.446.amzn2.x86_64
    kernel-headers-5.4.300-220.446.amzn2.x86_64
    kernel-debuginfo-common-x86_64-5.4.300-220.446.amzn2.x86_64
    perf-5.4.300-220.446.amzn2.x86_64
    perf-debuginfo-5.4.300-220.446.amzn2.x86_64
    python-perf-5.4.300-220.446.amzn2.x86_64
    python-perf-debuginfo-5.4.300-220.446.amzn2.x86_64
    kernel-tools-5.4.300-220.446.amzn2.x86_64
    kernel-tools-devel-5.4.300-220.446.amzn2.x86_64
    kernel-tools-debuginfo-5.4.300-220.446.amzn2.x86_64
    bpftool-5.4.300-220.446.amzn2.x86_64
    bpftool-debuginfo-5.4.300-220.446.amzn2.x86_64
    kernel-devel-5.4.300-220.446.amzn2.x86_64
    kernel-debuginfo-5.4.300-220.446.amzn2.x86_64

Additional References

Release Notes:  Amazon Linux 2 Release Notes

Red Hat: CVE-2022-50103, CVE-2022-50500, CVE-2023-53530, CVE-2025-38527, CVE-2025-39773

Mitre: CVE-2022-50103, CVE-2022-50500, CVE-2023-53530, CVE-2025-38527, CVE-2025-39773