{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64040","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-19T07:54:57.029Z","datePublished":"2026-07-19T15:39:27.348Z","dateUpdated":"2026-07-19T15:39:27.348Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-07-19T15:39:27.348Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncachefiles: Fix error return when vfs_mkdir() fails\n\nWhen vfs_mkdir() fails, the error code is not extracted from the\nreturned error pointer. This causes mkdir_error to be reached with\nret=0, which leads to returning ERR_PTR(0) (NULL) instead of a\nproper error pointer.\n\nFix this by extracting the error code from the error pointer when\nvfs_mkdir() fails."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/cachefiles/namei.c"],"versions":[{"version":"406fad7698f5bf21ab6b5ca195bf4b9e0b3990ed","lessThan":"0940108d27c6995e02819ff832be11892f0b208b","status":"affected","versionType":"git"},{"version":"406fad7698f5bf21ab6b5ca195bf4b9e0b3990ed","lessThan":"8a220d1c312c66194f4a33dd52d1fba42bc2b341","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/cachefiles/namei.c"],"versions":[{"version":"6.15","status":"affected"},{"version":"0","lessThan":"6.15","status":"unaffected","versionType":"semver"},{"version":"7.0.11","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","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":"6.15","versionEndExcluding":"7.0.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0940108d27c6995e02819ff832be11892f0b208b"},{"url":"https://git.kernel.org/stable/c/8a220d1c312c66194f4a33dd52d1fba42bc2b341"}],"title":"cachefiles: Fix error return when vfs_mkdir() fails","x_generator":{"engine":"bippy-1.2.0"}}}}