{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53662","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-10-07T15:16:59.662Z","datePublished":"2025-10-07T15:21:21.703Z","dateUpdated":"2026-05-11T19:49:29.602Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:49:29.602Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup}\n\nIf the filename casefolding fails, we'll be leaking memory from the\nfscrypt_name struct, namely from the 'crypto_buf.name' member.\n\nMake sure we free it in the error path on both ext4_fname_setup_filename()\nand ext4_fname_prepare_lookup() functions."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/crypto.c"],"versions":[{"version":"1ae98e295fa2577fb5e492200c58d10230e00e99","lessThan":"98fc9c2cc45cfcb56961a73de3ec69b474063fc0","status":"affected","versionType":"git"},{"version":"1ae98e295fa2577fb5e492200c58d10230e00e99","lessThan":"1fb3f1bbfdb511034b0360dbeb0f6a8424ed2a5c","status":"affected","versionType":"git"},{"version":"1ae98e295fa2577fb5e492200c58d10230e00e99","lessThan":"36daf050be3f6f067631dc52054de2d3b7cc849f","status":"affected","versionType":"git"},{"version":"1ae98e295fa2577fb5e492200c58d10230e00e99","lessThan":"7ca4b085f430f3774c3838b3da569ceccd6a0177","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/ext4/crypto.c"],"versions":[{"version":"5.13","status":"affected"},{"version":"0","lessThan":"5.13","status":"unaffected","versionType":"semver"},{"version":"5.15.199","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.54","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.5.4","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6","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":"5.13","versionEndExcluding":"5.15.199"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.1.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.5.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.6"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/98fc9c2cc45cfcb56961a73de3ec69b474063fc0"},{"url":"https://git.kernel.org/stable/c/1fb3f1bbfdb511034b0360dbeb0f6a8424ed2a5c"},{"url":"https://git.kernel.org/stable/c/36daf050be3f6f067631dc52054de2d3b7cc849f"},{"url":"https://git.kernel.org/stable/c/7ca4b085f430f3774c3838b3da569ceccd6a0177"}],"title":"ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup}","x_generator":{"engine":"bippy-1.2.0"}}}}