drm/i915: fix race condition UAF in i915_perf_add_config_ioctl

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2023-54202
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-30 13:16:08 UTC
Updated2026-10-15 22:17:54 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/i915: fix race condition UAF in i915_perf_add_config_ioctl Userspace can guess the id value and try to race oa_config object creation with config remove, resulting in a use-after-free if we dereference the object after unlocking the metrics_lock. For that reason, unlocking the metrics_lock must be done after we are done dereferencing the object. [tursulin: Manually added stable tag.] (cherry picked from commit 49f6f6483b652108bcb73accd0204a464b922395)

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: 0.001300000 probability, percentile 0.030020000 (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 f89823c212246d0671cc51e69894a3df1a743aee 6eeb1cba4c9dc47656ea328afa34953c28783d8c git Not specified
CNA Linux Linux affected f89823c212246d0671cc51e69894a3df1a743aee 240b1502708858b5e3f10b6dc5ca3f148a322fef git Not specified
CNA Linux Linux affected f89823c212246d0671cc51e69894a3df1a743aee 7eb98f5ac551863efe8be810cea1cd5411d677b1 git Not specified
CNA Linux Linux affected f89823c212246d0671cc51e69894a3df1a743aee dc30c011469165d57af9adac5baff7d767d20e5c git Not specified
CNA Linux Linux affected 4.14 Not specified
CNA Linux Linux unaffected 4.14 semver Not specified
CNA Linux Linux unaffected 5.15.108 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/240b1502708858b5e3f10b6dc5ca3f148a322fef 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/dc30c011469165d57af9adac5baff7d767d20e5c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7eb98f5ac551863efe8be810cea1cd5411d677b1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6eeb1cba4c9dc47656ea328afa34953c28783d8c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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