{"id":"CVE-2026-89837","state":"PUBLISHED","title":"f2fs: fix dentry folio leak in find_in_level","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix dentry folio leak in find_in_level\n\nfind_in_level() gets a dentry folio with f2fs_find_data_folio() before\ncalling find_in_block().  If find_in_block() returns an error, the\nfunction stores the error in res_folio and breaks out of the loop without\ndropping the dentry folio.\n\nThis leaks the folio reference on the find_in_block() error path.  Drop\nthe dentry folio before returning the error to the caller.","publishedAt":"2026-09-16T10:31:11.557Z","updatedAt":"2026-10-30T12:33:15.238Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"d2011b371fcb9247b2ef4ea2d852401a6c82ab88","versionType":"git"},{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"3b8593f7965fcb22672d98b55ae2e9410ea3d9f7","versionType":"git"},{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"b6c0e77d950bf80ab357e2b4b9667f4389ed417c","versionType":"git"},{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"af9cc316d31371824de8d409260a2ab9759dd51c","versionType":"git"},{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"aefb4b0f465b6f95fe02b52d1822a3fb4a9ae922","versionType":"git"},{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"93a3e6a4c9e726a13a935963e8dc43d181db1527","versionType":"git"},{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"cca7d3e30bf30333314e31bc70b9a739f1342167","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/dir.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/dir.c"]}],"references":["https://git.kernel.org/stable/c/d2011b371fcb9247b2ef4ea2d852401a6c82ab88","https://git.kernel.org/stable/c/3b8593f7965fcb22672d98b55ae2e9410ea3d9f7","https://git.kernel.org/stable/c/b6c0e77d950bf80ab357e2b4b9667f4389ed417c","https://git.kernel.org/stable/c/af9cc316d31371824de8d409260a2ab9759dd51c","https://git.kernel.org/stable/c/aefb4b0f465b6f95fe02b52d1822a3fb4a9ae922","https://git.kernel.org/stable/c/93a3e6a4c9e726a13a935963e8dc43d181db1527","https://git.kernel.org/stable/c/cca7d3e30bf30333314e31bc70b9a739f1342167"],"weaknesses":[],"ingestedAt":"2026-10-30T12:52:04.348Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89837.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89837","state":"PUBLISHED","datePublished":"2026-09-16T10:31:11.557Z","dateUpdated":"2026-10-30T12:33:15.238Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.769Z"},"containers":{"cna":{"title":"f2fs: fix dentry folio leak in find_in_level","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix dentry folio leak in find_in_level\n\nfind_in_level() gets a dentry folio with f2fs_find_data_folio() before\ncalling find_in_block().  If find_in_block() returns an error, the\nfunction stores the error in res_folio and breaks out of the loop without\ndropping the dentry folio.\n\nThis leaks the folio reference on the find_in_block() error path.  Drop\nthe dentry folio before returning the error to the caller."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"d2011b371fcb9247b2ef4ea2d852401a6c82ab88","versionType":"git"},{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"3b8593f7965fcb22672d98b55ae2e9410ea3d9f7","versionType":"git"},{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"b6c0e77d950bf80ab357e2b4b9667f4389ed417c","versionType":"git"},{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"af9cc316d31371824de8d409260a2ab9759dd51c","versionType":"git"},{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"aefb4b0f465b6f95fe02b52d1822a3fb4a9ae922","versionType":"git"},{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"93a3e6a4c9e726a13a935963e8dc43d181db1527","versionType":"git"},{"version":"7ad08a58bf67594057362e45cbddd3e27e53e557","status":"affected","lessThan":"cca7d3e30bf30333314e31bc70b9a739f1342167","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/dir.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/dir.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d2011b371fcb9247b2ef4ea2d852401a6c82ab88"},{"url":"https://git.kernel.org/stable/c/3b8593f7965fcb22672d98b55ae2e9410ea3d9f7"},{"url":"https://git.kernel.org/stable/c/b6c0e77d950bf80ab357e2b4b9667f4389ed417c"},{"url":"https://git.kernel.org/stable/c/af9cc316d31371824de8d409260a2ab9759dd51c"},{"url":"https://git.kernel.org/stable/c/aefb4b0f465b6f95fe02b52d1822a3fb4a9ae922"},{"url":"https://git.kernel.org/stable/c/93a3e6a4c9e726a13a935963e8dc43d181db1527"},{"url":"https://git.kernel.org/stable/c/cca7d3e30bf30333314e31bc70b9a739f1342167"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:33:15.238Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}