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Medium ALAS2023-2026-1950 1 CVE

Moderate: kernel6.12 security update (Amazon Linux 2023)

Published Jul 20, 2026 · Updated Jul 20, 2026

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-46331: In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption

Fixed packages 18

ReleasePackageFixed in
Amazon Linux · 2023 bpftool6.12 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 bpftool6.12-debuginfo 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 kernel-livepatch-6.12.94-123.174 1:1.0-0.amzn2023
Amazon Linux · 2023 kernel6.12 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 kernel6.12-debuginfo 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 kernel6.12-debuginfo-common-aarch64 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 kernel6.12-debuginfo-common-x86_64 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 kernel6.12-devel 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 kernel6.12-headers 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 kernel6.12-modules-extra 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 kernel6.12-modules-extra-common 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 kernel6.12-tools 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 kernel6.12-tools-debuginfo 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 kernel6.12-tools-devel 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 perf6.12 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 perf6.12-debuginfo 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 python3-perf6.12 1:6.12.94-123.174.amzn2023
Amazon Linux · 2023 python3-perf6.12-debuginfo 1:6.12.94-123.174.amzn2023

Vulnerabilities 1

  • High 7.8
    CVE-2026-46331 Public exploit

    net/sched: fix pedit partial COW leading to page cache corruption

    In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption tcf_pedit_act() computes the COW range for skb_ensure_writable() once before the key loop using tcfp_off_max_hint, but the hi…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-46331.html