CVE-2023-54128

fs: drop peer group ids under namespace lock

State
Published
Severity
7.8 High
Published
Dec 24, 2025
Updated
Oct 15, 2026
Reserved
Dec 24, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 2a1867219c7b27f928e2545782b86daaf9ad50bd to before 0af8fae81d8b7f1beddc17c5d4cfa43235134648Affected
  • 2a1867219c7b27f928e2545782b86daaf9ad50bd to before ddca03d97daa7b07b60c52e3d3060762732c6666Affected
  • 2a1867219c7b27f928e2545782b86daaf9ad50bd to before 65c324d3f35c05e37afec39ac80743583fdcc96cAffected
  • 2a1867219c7b27f928e2545782b86daaf9ad50bd to before cb2239c198ad9fbd5aced22cf93e45562da781ebAffected
LinuxLinux
  • 5.12Affected
  • before 5.12Not affected
  • 5.15.107 through 5.15.*Not affected
  • 6.1.24 through 6.1.*Not affected
  • 6.2.11 through 6.2.*Not affected
  • 6.3 and laterNot affected

References

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