{"id":"CVE-2023-53664","state":"PUBLISHED","title":"OPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nOPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate()\n\n\"opp\" pointer is dereferenced before the IS_ERR_OR_NULL() check. Fix it by\nremoving the dereference to cache opp_table and dereference it directly\nwhere opp_table is used.\n\nThis fixes the following smatch warning:\n\ndrivers/opp/core.c:232 dev_pm_opp_get_required_pstate() warn: variable\ndereferenced before IS_ERR check 'opp' (see line 230)","publishedAt":"2025-10-07T15:21:23.127Z","updatedAt":"2026-05-11T19:49:31.878Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"84cb7ff35fcf7c0b552f553a3f2db9c3e92fc707","status":"affected","lessThan":"25130b27e0352acb83e91c467853eb9afad3b644","versionType":"git"},{"version":"84cb7ff35fcf7c0b552f553a3f2db9c3e92fc707","status":"affected","lessThan":"7ddd8deb1c3c0363a7e14fafb5df26e2089a69a5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/opp/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/opp/core.c"]}],"references":["https://git.kernel.org/stable/c/25130b27e0352acb83e91c467853eb9afad3b644","https://git.kernel.org/stable/c/7ddd8deb1c3c0363a7e14fafb5df26e2089a69a5"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53664.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53664","state":"PUBLISHED","datePublished":"2025-10-07T15:21:23.127Z","dateUpdated":"2026-05-11T19:49:31.878Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-07T15:16:59.662Z"},"containers":{"cna":{"title":"OPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nOPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate()\n\n\"opp\" pointer is dereferenced before the IS_ERR_OR_NULL() check. Fix it by\nremoving the dereference to cache opp_table and dereference it directly\nwhere opp_table is used.\n\nThis fixes the following smatch warning:\n\ndrivers/opp/core.c:232 dev_pm_opp_get_required_pstate() warn: variable\ndereferenced before IS_ERR check 'opp' (see line 230)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"84cb7ff35fcf7c0b552f553a3f2db9c3e92fc707","status":"affected","lessThan":"25130b27e0352acb83e91c467853eb9afad3b644","versionType":"git"},{"version":"84cb7ff35fcf7c0b552f553a3f2db9c3e92fc707","status":"affected","lessThan":"7ddd8deb1c3c0363a7e14fafb5df26e2089a69a5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/opp/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/opp/core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/25130b27e0352acb83e91c467853eb9afad3b644"},{"url":"https://git.kernel.org/stable/c/7ddd8deb1c3c0363a7e14fafb5df26e2089a69a5"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:49:31.878Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.5.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}