{"id":"CVE-2023-54202","title":"drm/i915: fix race condition UAF in i915_perf_add_config_ioctl","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915: fix race condition UAF in i915_perf_add_config_ioctl\n\nUserspace can guess the id value and try to race oa_config object creation\nwith config remove, resulting…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= f89823c212246d0671cc51e69894a3df1a743aee < 6eeb1cba4c9dc47656ea328afa34953c28783d8c","Linux >= f89823c212246d0671cc51e69894a3df1a743aee < 240b1502708858b5e3f10b6dc5ca3f148a322fef","Linux >= f89823c212246d0671cc51e69894a3df1a743aee < 7eb98f5ac551863efe8be810cea1cd5411d677b1","Linux >= f89823c212246d0671cc51e69894a3df1a743aee < dc30c011469165d57af9adac5baff7d767d20e5c","Linux 4.14"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T21:39:18.311903Z"},"published":"2025-12-30","updated":"2026-10-15","sourceUpdated":"2026-10-15T21:41:41.415Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-54202","references":[{"url":"https://git.kernel.org/stable/c/6eeb1cba4c9dc47656ea328afa34953c28783d8c"},{"url":"https://git.kernel.org/stable/c/240b1502708858b5e3f10b6dc5ca3f148a322fef"},{"url":"https://git.kernel.org/stable/c/7eb98f5ac551863efe8be810cea1cd5411d677b1"},{"url":"https://git.kernel.org/stable/c/dc30c011469165d57af9adac5baff7d767d20e5c"}],"tags":["cve.org"],"epss":0.0015,"epssPercentile":0.03743,"ingestedAt":"2026-10-15T22:48:25.433Z","slug":"CVE-2023-54202","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915: fix race condition UAF in i915_perf_add_config_ioctl\n\nUserspace can guess the id value and try to race oa_config object creation\nwith config remove, resulting in a use-after-free if we dereference the\nobject after unlocking the metrics_lock.  For that reason, unlocking the\nmetrics_lock must be done after we are done dereferencing the object.\n\n[tursulin: Manually added stable tag.]\n(cherry picked from commit 49f6f6483b652108bcb73accd0204a464b922395)\n\n## Affected\n\n- `Linux >= f89823c212246d0671cc51e69894a3df1a743aee < 6eeb1cba4c9dc47656ea328afa34953c28783d8c`\n- `Linux >= f89823c212246d0671cc51e69894a3df1a743aee < 240b1502708858b5e3f10b6dc5ca3f148a322fef`\n- `Linux >= f89823c212246d0671cc51e69894a3df1a743aee < 7eb98f5ac551863efe8be810cea1cd5411d677b1`\n- `Linux >= f89823c212246d0671cc51e69894a3df1a743aee < dc30c011469165d57af9adac5baff7d767d20e5c`\n- `Linux 4.14`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}