{"id":"CVE-2023-53380","state":"PUBLISHED","title":"md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: fix null-ptr-deref of mreplace in raid10_sync_request\n\nThere are two check of 'mreplace' in raid10_sync_request(). In the first\ncheck, 'need_replace' will be set and 'mreplace' will be used later if\nno-Faulty 'mreplace' exists, In the second check, 'mreplace' will be\nset to NULL if it is Faulty, but 'need_replace' will not be changed\naccordingly. null-ptr-deref occurs if Faulty is set between two check.\n\nFix it by merging two checks into one. And replace 'need_replace' with\n'mreplace' because their values are always the same.","publishedAt":"2025-09-18T13:33:25.383Z","updatedAt":"2026-05-11T19:43:49.796Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"45fa023b3334a7ae6f6c4eb977295804222dfa28","versionType":"git"},{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"2990e2ece18dd4cca71b3109c80517ad94adb065","versionType":"git"},{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"f4368a462b1f9a8ecc2fdb09a28c3d4cad302a4f","versionType":"git"},{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"222cc459d59857ee28a5366dc225ab42b22f9272","versionType":"git"},{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"b5015b97adda6a24dd3e713c63e521ecbeff25c6","versionType":"git"},{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"144c7fd008e0072b0b565f1157eec618de54ca8a","versionType":"git"},{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"34817a2441747b48e444cb0e05d84e14bc9443da","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid10.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.20","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.20","versionType":"semver"},{"version":"5.4.251","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.188","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.121","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.39","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.13","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4.4","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid10.c"]}],"references":["https://git.kernel.org/stable/c/45fa023b3334a7ae6f6c4eb977295804222dfa28","https://git.kernel.org/stable/c/2990e2ece18dd4cca71b3109c80517ad94adb065","https://git.kernel.org/stable/c/f4368a462b1f9a8ecc2fdb09a28c3d4cad302a4f","https://git.kernel.org/stable/c/222cc459d59857ee28a5366dc225ab42b22f9272","https://git.kernel.org/stable/c/b5015b97adda6a24dd3e713c63e521ecbeff25c6","https://git.kernel.org/stable/c/144c7fd008e0072b0b565f1157eec618de54ca8a","https://git.kernel.org/stable/c/34817a2441747b48e444cb0e05d84e14bc9443da"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53380.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53380","state":"PUBLISHED","datePublished":"2025-09-18T13:33:25.383Z","dateUpdated":"2026-05-11T19:43:49.796Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-17T14:54:09.736Z"},"containers":{"cna":{"title":"md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: fix null-ptr-deref of mreplace in raid10_sync_request\n\nThere are two check of 'mreplace' in raid10_sync_request(). In the first\ncheck, 'need_replace' will be set and 'mreplace' will be used later if\nno-Faulty 'mreplace' exists, In the second check, 'mreplace' will be\nset to NULL if it is Faulty, but 'need_replace' will not be changed\naccordingly. null-ptr-deref occurs if Faulty is set between two check.\n\nFix it by merging two checks into one. And replace 'need_replace' with\n'mreplace' because their values are always the same."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"45fa023b3334a7ae6f6c4eb977295804222dfa28","versionType":"git"},{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"2990e2ece18dd4cca71b3109c80517ad94adb065","versionType":"git"},{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"f4368a462b1f9a8ecc2fdb09a28c3d4cad302a4f","versionType":"git"},{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"222cc459d59857ee28a5366dc225ab42b22f9272","versionType":"git"},{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"b5015b97adda6a24dd3e713c63e521ecbeff25c6","versionType":"git"},{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"144c7fd008e0072b0b565f1157eec618de54ca8a","versionType":"git"},{"version":"ee37d7314a32ab6809eacc3389bad0406c69a81f","status":"affected","lessThan":"34817a2441747b48e444cb0e05d84e14bc9443da","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid10.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.20","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.20","versionType":"semver"},{"version":"5.4.251","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.188","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.121","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.39","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.13","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4.4","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid10.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/45fa023b3334a7ae6f6c4eb977295804222dfa28"},{"url":"https://git.kernel.org/stable/c/2990e2ece18dd4cca71b3109c80517ad94adb065"},{"url":"https://git.kernel.org/stable/c/f4368a462b1f9a8ecc2fdb09a28c3d4cad302a4f"},{"url":"https://git.kernel.org/stable/c/222cc459d59857ee28a5366dc225ab42b22f9272"},{"url":"https://git.kernel.org/stable/c/b5015b97adda6a24dd3e713c63e521ecbeff25c6"},{"url":"https://git.kernel.org/stable/c/144c7fd008e0072b0b565f1157eec618de54ca8a"},{"url":"https://git.kernel.org/stable/c/34817a2441747b48e444cb0e05d84e14bc9443da"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:43:49.796Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.251"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.10.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.15.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.1.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.3.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.4.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2023-53380","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T18:56:06.480784Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T19:03:04.150Z"}}]}}}