Findings

CVE-2023-54128

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…

Published Dec 24, 2025 · updated Oct 15, 2026

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.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 24, 2025 · NIST NVD

    Detected

    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.

  2. Oct 15, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2023-54128

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2023-54128

    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

    nvd.nist.gov

References