ALAS2023LIVEPATCH-2025-108

References: CVE-2025-39677  CVE-2025-39691  CVE-2025-39730  CVE-2025-39923  CVE-2025-39955 
FAQs regarding Amazon Linux ALAS/CVE Severity

Issue Overview:

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

net/sched: Fix backlog accounting in qdisc_dequeue_internal (CVE-2025-39677)

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

fs/buffer: fix use-after-free when call bh_read() helper (CVE-2025-39691)

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

NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() (CVE-2025-39730)

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

dmaengine: qcom: bam_dma: Fix DT error handling for num-channels/ees (CVE-2025-39923)

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

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

Issue Correction:
Please ensure you have live patching enabled. Run dnf update kernel-livepatch-6.1.147-172.266 --releasever latest or dnf update --advisory ALAS2023LIVEPATCH-2025-108 --releasever latest to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation

New Packages:

aarch64:
    kernel-livepatch-6.1.147-172.266-1.0-5.amzn2023.aarch64

src:
    kernel-livepatch-6.1.147-172.266-1.0-5.amzn2023.src

x86_64:
    kernel-livepatch-6.1.147-172.266-1.0-5.amzn2023.x86_64