{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53804","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-08T23:58:35.276Z","datePublished":"2025-12-09T00:01:01.787Z","dateUpdated":"2026-05-11T19:51:51.144Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:51:51.144Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode()\n\nDuring unmount process of nilfs2, nothing holds nilfs_root structure after\nnilfs2 detaches its writer in nilfs_detach_log_writer().  However, since\nnilfs_evict_inode() uses nilfs_root for some cleanup operations, it may\ncause use-after-free read if inodes are left in \"garbage_list\" and\nreleased by nilfs_dispose_list() at the end of nilfs_detach_log_writer().\n\nFix this issue by modifying nilfs_evict_inode() to only clear inode\nwithout additional metadata changes that use nilfs_root if the file system\nis degraded to read-only or the writer is detached."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nilfs2/inode.c"],"versions":[{"version":"e912a5b66837ee89fb025e67b5efeaa11930c2ce","lessThan":"f31e18131ee2ce80a4da5c808221d25b1ae9ad6d","status":"affected","versionType":"git"},{"version":"e912a5b66837ee89fb025e67b5efeaa11930c2ce","lessThan":"2a782ea8ebd712a458466e3103e2881b4f886cb5","status":"affected","versionType":"git"},{"version":"e912a5b66837ee89fb025e67b5efeaa11930c2ce","lessThan":"116d53f09ff52e6f98e3fe1f85d8898d6ba26c68","status":"affected","versionType":"git"},{"version":"e912a5b66837ee89fb025e67b5efeaa11930c2ce","lessThan":"6b4205ea97901f822004e6c8d59484ccfda03faa","status":"affected","versionType":"git"},{"version":"e912a5b66837ee89fb025e67b5efeaa11930c2ce","lessThan":"b8427b8522d9ede53015ba45a9978ba68d1162f5","status":"affected","versionType":"git"},{"version":"e912a5b66837ee89fb025e67b5efeaa11930c2ce","lessThan":"acc2a40e428f12780004e1e9fce4722d88f909fd","status":"affected","versionType":"git"},{"version":"e912a5b66837ee89fb025e67b5efeaa11930c2ce","lessThan":"fb8e8d58f116d069e5939e1f786ac84e7fa4533e","status":"affected","versionType":"git"},{"version":"e912a5b66837ee89fb025e67b5efeaa11930c2ce","lessThan":"9b5a04ac3ad9898c4745cba46ea26de74ba56a8e","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/nilfs2/inode.c"],"versions":[{"version":"2.6.37","status":"affected"},{"version":"0","lessThan":"2.6.37","status":"unaffected","versionType":"semver"},{"version":"4.14.316","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.284","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.244","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.181","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.113","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.30","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.3.4","lessThanOrEqual":"6.3.*","status":"unaffected","versionType":"semver"},{"version":"6.4","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":"2.6.37","versionEndExcluding":"4.14.316"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"4.19.284"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.4.244"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.10.181"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.15.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.1.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.3.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.4"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/f31e18131ee2ce80a4da5c808221d25b1ae9ad6d"},{"url":"https://git.kernel.org/stable/c/2a782ea8ebd712a458466e3103e2881b4f886cb5"},{"url":"https://git.kernel.org/stable/c/116d53f09ff52e6f98e3fe1f85d8898d6ba26c68"},{"url":"https://git.kernel.org/stable/c/6b4205ea97901f822004e6c8d59484ccfda03faa"},{"url":"https://git.kernel.org/stable/c/b8427b8522d9ede53015ba45a9978ba68d1162f5"},{"url":"https://git.kernel.org/stable/c/acc2a40e428f12780004e1e9fce4722d88f909fd"},{"url":"https://git.kernel.org/stable/c/fb8e8d58f116d069e5939e1f786ac84e7fa4533e"},{"url":"https://git.kernel.org/stable/c/9b5a04ac3ad9898c4745cba46ea26de74ba56a8e"}],"title":"nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode()","x_generator":{"engine":"bippy-1.2.0"}}}}