{"id":"CVE-2024-44938","summary":"jfs: Fix shift-out-of-bounds in dbDiscardAG","details":"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.","modified":"2026-04-15T23:59:30.530035185Z","published":"2024-08-26T11:20:43.340Z","related":["SUSE-SU-2024:3190-1","SUSE-SU-2024:3194-1","SUSE-SU-2024:3195-1","SUSE-SU-2024:3209-1","SUSE-SU-2024:3227-1","SUSE-SU-2024:3383-1","SUSE-SU-2024:3408-1","SUSE-SU-2024:3483-1","SUSE-SU-2025:20044-1","SUSE-SU-2025:20047-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44938.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/234e6ea0855cdb5673d54ecaf7dc5c78f3e84630"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7063b80268e2593e58bee8a8d709c2f3ff93e2f2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bb7c605a754823b86dd74f6537ccb9d38a9dec5a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bd04a149e3a29e7f71b7956ed41dba34e42d539e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f650148b43949ca9e37e820804bb6026fff404f3"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44938.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-44938"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"b40c2e665cd552eae5fbdbb878bc29a34357668e"},{"fixed":"bb7c605a754823b86dd74f6537ccb9d38a9dec5a"},{"fixed":"4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9"},{"fixed":"bd04a149e3a29e7f71b7956ed41dba34e42d539e"},{"fixed":"f650148b43949ca9e37e820804bb6026fff404f3"},{"fixed":"234e6ea0855cdb5673d54ecaf7dc5c78f3e84630"},{"fixed":"7063b80268e2593e58bee8a8d709c2f3ff93e2f2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-44938.json"}}],"schema_version":"1.7.5"}