{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-44938","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-08-21T05:34:56.664Z","datePublished":"2024-08-26T11:20:43.340Z","dateUpdated":"2025-11-03T22:13:42.650Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-21T09:13:08.507Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\njfs: Fix shift-out-of-bounds in dbDiscardAG\n\nWhen searching for the next smaller log2 block, BLKSTOL2() returned 0,\ncausing shift exponent -1 to be negative.\n\nThis patch fixes the issue by exiting the loop directly when negative\nshift is found."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/jfs/jfs_dmap.c"],"versions":[{"version":"b40c2e665cd552eae5fbdbb878bc29a34357668e","lessThan":"bb7c605a754823b86dd74f6537ccb9d38a9dec5a","status":"affected","versionType":"git"},{"version":"b40c2e665cd552eae5fbdbb878bc29a34357668e","lessThan":"4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9","status":"affected","versionType":"git"},{"version":"b40c2e665cd552eae5fbdbb878bc29a34357668e","lessThan":"bd04a149e3a29e7f71b7956ed41dba34e42d539e","status":"affected","versionType":"git"},{"version":"b40c2e665cd552eae5fbdbb878bc29a34357668e","lessThan":"f650148b43949ca9e37e820804bb6026fff404f3","status":"affected","versionType":"git"},{"version":"b40c2e665cd552eae5fbdbb878bc29a34357668e","lessThan":"234e6ea0855cdb5673d54ecaf7dc5c78f3e84630","status":"affected","versionType":"git"},{"version":"b40c2e665cd552eae5fbdbb878bc29a34357668e","lessThan":"7063b80268e2593e58bee8a8d709c2f3ff93e2f2","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/jfs/jfs_dmap.c"],"versions":[{"version":"3.7","status":"affected"},{"version":"0","lessThan":"3.7","status":"unaffected","versionType":"semver"},{"version":"5.10.237","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.181","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.107","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.47","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.10.6","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":"3.7","versionEndExcluding":"5.10.237"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"5.15.181"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.1.107"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.6.47"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.10.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.11"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/bb7c605a754823b86dd74f6537ccb9d38a9dec5a"},{"url":"https://git.kernel.org/stable/c/4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9"},{"url":"https://git.kernel.org/stable/c/bd04a149e3a29e7f71b7956ed41dba34e42d539e"},{"url":"https://git.kernel.org/stable/c/f650148b43949ca9e37e820804bb6026fff404f3"},{"url":"https://git.kernel.org/stable/c/234e6ea0855cdb5673d54ecaf7dc5c78f3e84630"},{"url":"https://git.kernel.org/stable/c/7063b80268e2593e58bee8a8d709c2f3ff93e2f2"}],"title":"jfs: Fix shift-out-of-bounds in dbDiscardAG","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-44938","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:27:38.649616Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-12T17:32:55.564Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T22:13:42.650Z"}}]}}