CVE-2023-54128

HighCVSS 7.8/10Last modified Oct 15, 2026

Description

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

fs: drop peer group ids under namespace lock

When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a non-shared mount concurrently.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
Dec 24, 2025
Last modified
Oct 15, 2026
NVD status
Deferred

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CVE-2023-54128: High severity, CVSS 7.8 | Vulnix