{"id":"CVE-2023-53722","state":"PUBLISHED","title":"md: raid1: fix potential OOB in raid1_remove_disk()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd: raid1: fix potential OOB in raid1_remove_disk()\n\nIf rddev->raid_disk is greater than mddev->raid_disks, there will be\nan out-of-bounds in raid1_remove_disk(). We have already found\nsimilar reports as follows:\n\n1) commit d17f744e883b (\"md-raid10: fix KASAN warning\")\n2) commit 1ebc2cec0b7d (\"dm raid: fix KASAN warning in raid5_remove_disk\")\n\nFix this bug by checking whether the \"number\" variable is\nvalid.","publishedAt":"2025-10-22T13:23:53.329Z","updatedAt":"2026-05-11T19:50:35.533Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"beedf40f73939f248c81802eda08a2a8148ea13e","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"91fbd4e75cb573f44d2619a9dc2f9ba927040760","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"7993cfc041481a3a9cd4a3858088fc846b8ccaf7","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"4f96c0665f9f4cf70130c9757750dc43dc679c82","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"4f7d853b4590fc20e90dd50e346c02811a8c5b08","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"4bdb92eaf645e312975357adc3c4e9523b6e67f1","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"8b0472b50bcf0f19a5119b00a53b63579c8e1e4d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid1.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.3","versionType":"semver"},{"version":"4.14.326","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.295","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.257","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.197","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.133","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.55","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.5","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/md/raid1.c"]}],"references":["https://git.kernel.org/stable/c/beedf40f73939f248c81802eda08a2a8148ea13e","https://git.kernel.org/stable/c/91fbd4e75cb573f44d2619a9dc2f9ba927040760","https://git.kernel.org/stable/c/25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24","https://git.kernel.org/stable/c/7993cfc041481a3a9cd4a3858088fc846b8ccaf7","https://git.kernel.org/stable/c/4f96c0665f9f4cf70130c9757750dc43dc679c82","https://git.kernel.org/stable/c/4f7d853b4590fc20e90dd50e346c02811a8c5b08","https://git.kernel.org/stable/c/4bdb92eaf645e312975357adc3c4e9523b6e67f1","https://git.kernel.org/stable/c/8b0472b50bcf0f19a5119b00a53b63579c8e1e4d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53722.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53722","state":"PUBLISHED","datePublished":"2025-10-22T13:23:53.329Z","dateUpdated":"2026-05-11T19:50:35.533Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-22T13:21:37.348Z"},"containers":{"cna":{"title":"md: raid1: fix potential OOB in raid1_remove_disk()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd: raid1: fix potential OOB in raid1_remove_disk()\n\nIf rddev->raid_disk is greater than mddev->raid_disks, there will be\nan out-of-bounds in raid1_remove_disk(). We have already found\nsimilar reports as follows:\n\n1) commit d17f744e883b (\"md-raid10: fix KASAN warning\")\n2) commit 1ebc2cec0b7d (\"dm raid: fix KASAN warning in raid5_remove_disk\")\n\nFix this bug by checking whether the \"number\" variable is\nvalid."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"beedf40f73939f248c81802eda08a2a8148ea13e","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"91fbd4e75cb573f44d2619a9dc2f9ba927040760","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"7993cfc041481a3a9cd4a3858088fc846b8ccaf7","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"4f96c0665f9f4cf70130c9757750dc43dc679c82","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"4f7d853b4590fc20e90dd50e346c02811a8c5b08","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"4bdb92eaf645e312975357adc3c4e9523b6e67f1","versionType":"git"},{"version":"b8321b68d1445f308324517e45fb0a5c2b48e271","status":"affected","lessThan":"8b0472b50bcf0f19a5119b00a53b63579c8e1e4d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid1.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.3","versionType":"semver"},{"version":"4.14.326","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.295","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.257","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.197","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.133","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.55","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.5","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/md/raid1.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/beedf40f73939f248c81802eda08a2a8148ea13e"},{"url":"https://git.kernel.org/stable/c/91fbd4e75cb573f44d2619a9dc2f9ba927040760"},{"url":"https://git.kernel.org/stable/c/25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24"},{"url":"https://git.kernel.org/stable/c/7993cfc041481a3a9cd4a3858088fc846b8ccaf7"},{"url":"https://git.kernel.org/stable/c/4f96c0665f9f4cf70130c9757750dc43dc679c82"},{"url":"https://git.kernel.org/stable/c/4f7d853b4590fc20e90dd50e346c02811a8c5b08"},{"url":"https://git.kernel.org/stable/c/4bdb92eaf645e312975357adc3c4e9523b6e67f1"},{"url":"https://git.kernel.org/stable/c/8b0472b50bcf0f19a5119b00a53b63579c8e1e4d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:50:35.533Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"4.14.326"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"4.19.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.4.257"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.10.197"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.15.133"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.1.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.5.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}