{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71135","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:30:19.656Z","datePublished":"2026-01-14T15:07:49.891Z","dateUpdated":"2026-05-11T21:55:39.339Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:55:39.339Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5: fix possible null-pointer dereferences in raid5_store_group_thread_cnt()\n\nThe variable mddev->private is first assigned to conf and then checked:\n\n  conf = mddev->private;\n  if (!conf) ...\n\nIf conf is NULL, then mddev->private is also NULL. In this case,\nnull-pointer dereferences can occur when calling raid5_quiesce():\n\n  raid5_quiesce(mddev, true);\n  raid5_quiesce(mddev, false);\n\nsince mddev->private is assigned to conf again in raid5_quiesce(), and conf\nis dereferenced in several places, for example:\n\n  conf->quiesce = 0;\n  wake_up(&conf->wait_for_quiescent);\n\nTo fix this issue, the function should unlock mddev and return before\ninvoking raid5_quiesce() when conf is NULL, following the existing pattern\nin raid5_change_consistency_policy()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid5.c"],"versions":[{"version":"be19e6e4339d1579d5f2fae8ce4facf9521dbbfc","lessThan":"20597b7229aea8b5bc45cd92097640257c7fc33b","status":"affected","versionType":"git"},{"version":"fa1944bbe6220eb929e2c02e5e8706b908565711","lessThan":"e5abb6af905de6b2fead8a0b3f32ab0b81468a01","status":"affected","versionType":"git"},{"version":"fa1944bbe6220eb929e2c02e5e8706b908565711","lessThan":"7ad6ef91d8745d04aff9cce7bdbc6320d8e05fe9","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid5.c"],"versions":[{"version":"6.13","status":"affected"},{"version":"0","lessThan":"6.13","status":"unaffected","versionType":"semver"},{"version":"6.12.64","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.4","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.4","versionEndExcluding":"6.12.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/20597b7229aea8b5bc45cd92097640257c7fc33b"},{"url":"https://git.kernel.org/stable/c/e5abb6af905de6b2fead8a0b3f32ab0b81468a01"},{"url":"https://git.kernel.org/stable/c/7ad6ef91d8745d04aff9cce7bdbc6320d8e05fe9"}],"title":"md/raid5: fix possible null-pointer dereferences in raid5_store_group_thread_cnt()","x_generator":{"engine":"bippy-1.2.0"}}}}