fs: drop peer group ids under namespace lock

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2023-54128
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-24 13:16:14 UTC
Updated2026-10-15 22:17:53 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.001430000 probability, percentile 0.041010000 (date 2026-08-06)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 2a1867219c7b27f928e2545782b86daaf9ad50bd 0af8fae81d8b7f1beddc17c5d4cfa43235134648 git Not specified
CNA Linux Linux affected 2a1867219c7b27f928e2545782b86daaf9ad50bd ddca03d97daa7b07b60c52e3d3060762732c6666 git Not specified
CNA Linux Linux affected 2a1867219c7b27f928e2545782b86daaf9ad50bd 65c324d3f35c05e37afec39ac80743583fdcc96c git Not specified
CNA Linux Linux affected 2a1867219c7b27f928e2545782b86daaf9ad50bd cb2239c198ad9fbd5aced22cf93e45562da781eb git Not specified
CNA Linux Linux affected 5.12 Not specified
CNA Linux Linux unaffected 5.12 semver Not specified
CNA Linux Linux unaffected 5.15.107 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.24 6.1.* semver Not specified
CNA Linux Linux unaffected 6.2.11 6.2.* semver Not specified
CNA Linux Linux unaffected 6.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/65c324d3f35c05e37afec39ac80743583fdcc96c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cb2239c198ad9fbd5aced22cf93e45562da781eb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ddca03d97daa7b07b60c52e3d3060762732c6666 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0af8fae81d8b7f1beddc17c5d4cfa43235134648 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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