{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53695","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-10-22T13:21:37.344Z","datePublished":"2025-10-22T13:23:36.524Z","dateUpdated":"2026-05-11T19:50:05.085Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:50:05.085Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nudf: Detect system inodes linked into directory hierarchy\n\nWhen UDF filesystem is corrupted, hidden system inodes can be linked\ninto directory hierarchy which is an avenue for further serious\ncorruption of the filesystem and kernel confusion as noticed by syzbot\nfuzzed images. Refuse to access system inodes linked into directory\nhierarchy and vice versa."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/udf/inode.c"],"versions":[{"version":"6174c2eb8ecef271159bdcde460ce8af54d8f72f","lessThan":"1dc71eeb198a8daa17d0c995998a53b0b749a158","status":"affected","versionType":"git"},{"version":"6174c2eb8ecef271159bdcde460ce8af54d8f72f","lessThan":"d747b31e2925a2f384e7dd1901a2e5bc5f984ed8","status":"affected","versionType":"git"},{"version":"6174c2eb8ecef271159bdcde460ce8af54d8f72f","lessThan":"a44ec34b90440ada190924f5908b97026504fdcd","status":"affected","versionType":"git"},{"version":"6174c2eb8ecef271159bdcde460ce8af54d8f72f","lessThan":"37e74003d81e79457535cbbdfa1603431c03fac0","status":"affected","versionType":"git"},{"version":"6174c2eb8ecef271159bdcde460ce8af54d8f72f","lessThan":"1f328751b65c49c13a312d67a3bf27766b85baf7","status":"affected","versionType":"git"},{"version":"6174c2eb8ecef271159bdcde460ce8af54d8f72f","lessThan":"9e3b5ef7d02eaa6553e79b4af9bd99227280f245","status":"affected","versionType":"git"},{"version":"6174c2eb8ecef271159bdcde460ce8af54d8f72f","lessThan":"85a37983ec69cc9fcd188bc37c4de15ee326355a","status":"affected","versionType":"git"},{"version":"801c7a20d255e300ab51a6fcb1d0e218d136b16f","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/udf/inode.c"],"versions":[{"version":"3.18","status":"affected"},{"version":"0","lessThan":"3.18","status":"unaffected","versionType":"semver"},{"version":"4.19.278","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.235","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.173","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.99","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.16","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2.3","lessThanOrEqual":"6.2.*","status":"unaffected","versionType":"semver"},{"version":"6.3","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":"3.18","versionEndExcluding":"4.19.278"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"5.4.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"5.10.173"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"5.15.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/1dc71eeb198a8daa17d0c995998a53b0b749a158"},{"url":"https://git.kernel.org/stable/c/d747b31e2925a2f384e7dd1901a2e5bc5f984ed8"},{"url":"https://git.kernel.org/stable/c/a44ec34b90440ada190924f5908b97026504fdcd"},{"url":"https://git.kernel.org/stable/c/37e74003d81e79457535cbbdfa1603431c03fac0"},{"url":"https://git.kernel.org/stable/c/1f328751b65c49c13a312d67a3bf27766b85baf7"},{"url":"https://git.kernel.org/stable/c/9e3b5ef7d02eaa6553e79b4af9bd99227280f245"},{"url":"https://git.kernel.org/stable/c/85a37983ec69cc9fcd188bc37c4de15ee326355a"}],"title":"udf: Detect system inodes linked into directory hierarchy","x_generator":{"engine":"bippy-1.2.0"}}}}