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OpenAdvisories
High USN-7327-1 1 CVE

linux, linux-lowlatency, linux-lowlatency-hwe-5.15 vulnerability

Published Mar 5, 2025 · Updated Oct 17, 2026

Ecosystem: Ubuntu

Summary

A security issues was discovered in the Linux kernel.
An attacker could possibly use this to compromise the system.
This update corrects flaws in the following subsystems:
- Block layer subsystem;
(CVE-2024-56672)

Fixed packages 3

ReleasePackageFixed in
Ubuntu · 20.04 LTS 20.04:LTS linux-lowlatency-hwe-5.15 5.15.0-134.145~20.04.1
Ubuntu · 22.04 LTS 22.04:LTS linux 5.15.0-134.145
Ubuntu · 22.04 LTS 22.04:LTS linux-lowlatency 5.15.0-134.145

Vulnerabilities 1

  • High 7.8
    CVE-2024-56672

    blk-cgroup: Fix UAF in blkcg_unpin_online()

    In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix UAF in blkcg_unpin_online() blkcg_unpin_online() walks up the blkcg hierarchy putting the online pin. To walk up, it uses blkcg_parent(blkcg) but it was calling that after blk…

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

References

  • report
    https://ubuntu.com/security/CVE-2024-56672