{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39842","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.141Z","datePublished":"2025-09-19T15:26:17.075Z","dateUpdated":"2026-05-12T12:07:30.064Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:37:29.998Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: prevent release journal inode after journal shutdown\n\nBefore calling ocfs2_delete_osb(), ocfs2_journal_shutdown() has already\nbeen executed in ocfs2_dismount_volume(), so osb->journal must be NULL. \nTherefore, the following calltrace will inevitably fail when it reaches\njbd2_journal_release_jbd_inode().\n\nocfs2_dismount_volume()->\n  ocfs2_delete_osb()->\n    ocfs2_free_slot_info()->\n      __ocfs2_free_slot_info()->\n        evict()->\n          ocfs2_evict_inode()->\n            ocfs2_clear_inode()->\n\t      jbd2_journal_release_jbd_inode(osb->journal->j_journal,\n\nAdding osb->journal checks will prevent null-ptr-deref during the above\nexecution path."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ocfs2/inode.c"],"versions":[{"version":"da5e7c87827e8caa6a1eeec6d95dcf74ab592a01","lessThan":"42c415c53ad2065088cc411d08925effa5b3d255","status":"affected","versionType":"git"},{"version":"da5e7c87827e8caa6a1eeec6d95dcf74ab592a01","lessThan":"e9188f66e94955431ddbe2cd1cdf8ff2bb486abf","status":"affected","versionType":"git"},{"version":"da5e7c87827e8caa6a1eeec6d95dcf74ab592a01","lessThan":"f4a917e6cd6c798f7adf39907f117fc754db1283","status":"affected","versionType":"git"},{"version":"da5e7c87827e8caa6a1eeec6d95dcf74ab592a01","lessThan":"85e66331b60601d903cceaf8c10a234db863cd78","status":"affected","versionType":"git"},{"version":"da5e7c87827e8caa6a1eeec6d95dcf74ab592a01","lessThan":"f46e8ef8bb7b452584f2e75337b619ac51a7cadf","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/ocfs2/inode.c"],"versions":[{"version":"5.16","status":"affected"},{"version":"0","lessThan":"5.16","status":"unaffected","versionType":"semver"},{"version":"6.1.151","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.105","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.46","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.16.6","lessThanOrEqual":"6.16.*","status":"unaffected","versionType":"semver"},{"version":"6.17","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":"5.16","versionEndExcluding":"6.1.151"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.6.105"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.16.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/42c415c53ad2065088cc411d08925effa5b3d255"},{"url":"https://git.kernel.org/stable/c/e9188f66e94955431ddbe2cd1cdf8ff2bb486abf"},{"url":"https://git.kernel.org/stable/c/f4a917e6cd6c798f7adf39907f117fc754db1283"},{"url":"https://git.kernel.org/stable/c/85e66331b60601d903cceaf8c10a234db863cd78"},{"url":"https://git.kernel.org/stable/c/f46e8ef8bb7b452584f2e75337b619ac51a7cadf"}],"title":"ocfs2: prevent release journal inode after journal shutdown","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T17:43:57.858Z"}},{"x_adpType":"supplier","providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-05-12T12:07:30.064Z"},"affected":[{"vendor":"Siemens","product":"SIMATIC CN 4100","versions":[{"status":"affected","version":"0","lessThan":"V5.0","versionType":"custom"}],"defaultStatus":"unknown"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}]}]}}