{"id":"CVE-2024-41077","state":"PUBLISHED","title":"null_blk: fix validation of block size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnull_blk: fix validation of block size\n\nBlock size should be between 512 and PAGE_SIZE and be a power of 2. The current\ncheck does not validate this, so update the check.\n\nWithout this patch, null_blk would Oops due to a null pointer deref when\nloaded with bs=1536 [1].\n\n\n[axboe: remove unnecessary braces and != 0 check]","publishedAt":"2024-07-29T14:57:36.680Z","updatedAt":"2026-05-11T20:25:44.681Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cedcafad8277b3a07e90bf2f68fff5c6b28a183e","status":"affected","lessThan":"9625afe1dd4a158a14bb50f81af9e2dac634c0b1","versionType":"git"},{"version":"cedcafad8277b3a07e90bf2f68fff5c6b28a183e","status":"affected","lessThan":"9b873bdaae64bddade9d8c6df23c8a31948d47d0","versionType":"git"},{"version":"cedcafad8277b3a07e90bf2f68fff5c6b28a183e","status":"affected","lessThan":"2772ed2fc075eef7df3789906fc9dae01e4e132e","versionType":"git"},{"version":"cedcafad8277b3a07e90bf2f68fff5c6b28a183e","status":"affected","lessThan":"08f03186b96e25e3154916a2e70732557c770ea7","versionType":"git"},{"version":"cedcafad8277b3a07e90bf2f68fff5c6b28a183e","status":"affected","lessThan":"f92409a9da02f27d05d713bff5f865e386cef9b3","versionType":"git"},{"version":"cedcafad8277b3a07e90bf2f68fff5c6b28a183e","status":"affected","lessThan":"c462ecd659b5fce731f1d592285832fd6ad54053","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/block/null_blk/main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"5.10.223","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.164","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.101","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.42","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.9.11","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/block/null_blk/main.c"]}],"references":["https://git.kernel.org/stable/c/9625afe1dd4a158a14bb50f81af9e2dac634c0b1","https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0","https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e","https://git.kernel.org/stable/c/08f03186b96e25e3154916a2e70732557c770ea7","https://git.kernel.org/stable/c/f92409a9da02f27d05d713bff5f865e386cef9b3","https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:39.287Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/41xxx/CVE-2024-41077.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-41077","state":"PUBLISHED","datePublished":"2024-07-29T14:57:36.680Z","dateUpdated":"2026-05-11T20:25:44.681Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-07-12T12:17:45.632Z"},"containers":{"cna":{"title":"null_blk: fix validation of block size","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnull_blk: fix validation of block size\n\nBlock size should be between 512 and PAGE_SIZE and be a power of 2. The current\ncheck does not validate this, so update the check.\n\nWithout this patch, null_blk would Oops due to a null pointer deref when\nloaded with bs=1536 [1].\n\n\n[axboe: remove unnecessary braces and != 0 check]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cedcafad8277b3a07e90bf2f68fff5c6b28a183e","status":"affected","lessThan":"9625afe1dd4a158a14bb50f81af9e2dac634c0b1","versionType":"git"},{"version":"cedcafad8277b3a07e90bf2f68fff5c6b28a183e","status":"affected","lessThan":"9b873bdaae64bddade9d8c6df23c8a31948d47d0","versionType":"git"},{"version":"cedcafad8277b3a07e90bf2f68fff5c6b28a183e","status":"affected","lessThan":"2772ed2fc075eef7df3789906fc9dae01e4e132e","versionType":"git"},{"version":"cedcafad8277b3a07e90bf2f68fff5c6b28a183e","status":"affected","lessThan":"08f03186b96e25e3154916a2e70732557c770ea7","versionType":"git"},{"version":"cedcafad8277b3a07e90bf2f68fff5c6b28a183e","status":"affected","lessThan":"f92409a9da02f27d05d713bff5f865e386cef9b3","versionType":"git"},{"version":"cedcafad8277b3a07e90bf2f68fff5c6b28a183e","status":"affected","lessThan":"c462ecd659b5fce731f1d592285832fd6ad54053","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/block/null_blk/main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"5.10.223","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.164","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.101","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.42","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.9.11","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/block/null_blk/main.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9625afe1dd4a158a14bb50f81af9e2dac634c0b1"},{"url":"https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0"},{"url":"https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e"},{"url":"https://git.kernel.org/stable/c/08f03186b96e25e3154916a2e70732557c770ea7"},{"url":"https://git.kernel.org/stable/c/f92409a9da02f27d05d713bff5f865e386cef9b3"},{"url":"https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:25:44.681Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.10.223"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.15.164"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.1.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.6.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.9.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.10"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/9625afe1dd4a158a14bb50f81af9e2dac634c0b1","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/08f03186b96e25e3154916a2e70732557c770ea7","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f92409a9da02f27d05d713bff5f865e386cef9b3","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T22:00:34.029Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-41077","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:21:17.956039Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-11T17:33:59.836Z"}}]}}}