{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-43854","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-08-17T09:11:59.278Z","datePublished":"2024-08-17T09:22:11.297Z","dateUpdated":"2025-11-03T22:05:51.729Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:27:45.701Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nblock: initialize integrity buffer to zero before writing it to media\n\nMetadata added by bio_integrity_prep is using plain kmalloc, which leads\nto random kernel memory being written media.  For PI metadata this is\nlimited to the app tag that isn't used by kernel generated metadata,\nbut for non-PI metadata the entire buffer leaks kernel memory.\n\nFix this by adding the __GFP_ZERO flag to allocations for writes."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["block/bio-integrity.c"],"versions":[{"version":"7ba1ba12eeef0aa7113beb16410ef8b7c748e18b","lessThan":"9f4af4cf08f9a0329ade3d938f55d2220c40d0a6","status":"affected","versionType":"git"},{"version":"7ba1ba12eeef0aa7113beb16410ef8b7c748e18b","lessThan":"129f95948a96105c1fad8e612c9097763e88ac5f","status":"affected","versionType":"git"},{"version":"7ba1ba12eeef0aa7113beb16410ef8b7c748e18b","lessThan":"3fd11fe4f20756b4c0847f755a64cd96f8c6a005","status":"affected","versionType":"git"},{"version":"7ba1ba12eeef0aa7113beb16410ef8b7c748e18b","lessThan":"cf6b45ea7a8df0f61bded1dc4a8561ac6ad143d2","status":"affected","versionType":"git"},{"version":"7ba1ba12eeef0aa7113beb16410ef8b7c748e18b","lessThan":"d418313bd8f55c079a7da12651951b489a638ac1","status":"affected","versionType":"git"},{"version":"7ba1ba12eeef0aa7113beb16410ef8b7c748e18b","lessThan":"23a19655fb56f241e592041156dfb1c6d04da644","status":"affected","versionType":"git"},{"version":"7ba1ba12eeef0aa7113beb16410ef8b7c748e18b","lessThan":"ebc0e91ba76dc6544fff9f5b66408b1982806a00","status":"affected","versionType":"git"},{"version":"7ba1ba12eeef0aa7113beb16410ef8b7c748e18b","lessThan":"899ee2c3829c5ac14bfc7d3c4a5846c0b709b78f","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["block/bio-integrity.c"],"versions":[{"version":"2.6.27","status":"affected"},{"version":"0","lessThan":"2.6.27","status":"unaffected","versionType":"semver"},{"version":"4.19.322","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.284","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.226","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.165","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.103","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.44","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.10.3","lessThanOrEqual":"6.10.*","status":"unaffected","versionType":"semver"},{"version":"6.11","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":"2.6.27","versionEndExcluding":"4.19.322"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.4.284"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.10.226"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.15.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.1.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.6.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.10.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.11"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/9f4af4cf08f9a0329ade3d938f55d2220c40d0a6"},{"url":"https://git.kernel.org/stable/c/129f95948a96105c1fad8e612c9097763e88ac5f"},{"url":"https://git.kernel.org/stable/c/3fd11fe4f20756b4c0847f755a64cd96f8c6a005"},{"url":"https://git.kernel.org/stable/c/cf6b45ea7a8df0f61bded1dc4a8561ac6ad143d2"},{"url":"https://git.kernel.org/stable/c/d418313bd8f55c079a7da12651951b489a638ac1"},{"url":"https://git.kernel.org/stable/c/23a19655fb56f241e592041156dfb1c6d04da644"},{"url":"https://git.kernel.org/stable/c/ebc0e91ba76dc6544fff9f5b66408b1982806a00"},{"url":"https://git.kernel.org/stable/c/899ee2c3829c5ac14bfc7d3c4a5846c0b709b78f"}],"title":"block: initialize integrity buffer to zero before writing it to media","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-43854","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:07:14.517245Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-12T17:33:20.780Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"url":"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T22:05:51.729Z"}}]}}