{"id":"CVE-2025-68185","state":"PUBLISHED","title":"nfs4_setup_readdir(): insufficient locking for ->d_parent->d_inode dereferencing","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfs4_setup_readdir(): insufficient locking for ->d_parent->d_inode dereferencing\n\nTheoretically it's an oopsable race, but I don't believe one can manage\nto hit it on real hardware; might become doable on a KVM, but it still\nwon't be easy to attack.\n\nAnyway, it's easy to deal with - since xdr_encode_hyper() is just a call of\nput_unaligned_be64(), we can put that under ->d_lock and be done with that.","publishedAt":"2025-12-16T13:43:02.894Z","updatedAt":"2026-06-16T19:21:22.682Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"6025f641a0e30afdc5aa62017397b1860ad9f677","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"e6cafe71eb3b5579b245ba1bd528a181e77f3df1","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"fa4daf7d11e45b72aad5d943a7ab991f869fff79","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"504b3fb9948a9e96ebbabdee0d33966a8bab15cb","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"eacfd08b26a062f1095b18719715bc82ad35312e","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"40be5b9080114f18b0cea386db415b68a7273c1a","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"f5e570eaab36a110c6ffda32b87c51170990c2d1","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"a890a2e339b929dbd843328f9a92a1625404fe63","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4proc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"5.4.302","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.247","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.197","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.117","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.58","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4proc.c"]}],"references":["https://git.kernel.org/stable/c/6025f641a0e30afdc5aa62017397b1860ad9f677","https://git.kernel.org/stable/c/e6cafe71eb3b5579b245ba1bd528a181e77f3df1","https://git.kernel.org/stable/c/fa4daf7d11e45b72aad5d943a7ab991f869fff79","https://git.kernel.org/stable/c/504b3fb9948a9e96ebbabdee0d33966a8bab15cb","https://git.kernel.org/stable/c/eacfd08b26a062f1095b18719715bc82ad35312e","https://git.kernel.org/stable/c/40be5b9080114f18b0cea386db415b68a7273c1a","https://git.kernel.org/stable/c/f5e570eaab36a110c6ffda32b87c51170990c2d1","https://git.kernel.org/stable/c/a890a2e339b929dbd843328f9a92a1625404fe63"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68185.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68185","state":"PUBLISHED","datePublished":"2025-12-16T13:43:02.894Z","dateUpdated":"2026-06-16T19:21:22.682Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-16T13:41:40.252Z"},"containers":{"cna":{"title":"nfs4_setup_readdir(): 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that."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"6025f641a0e30afdc5aa62017397b1860ad9f677","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"e6cafe71eb3b5579b245ba1bd528a181e77f3df1","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"fa4daf7d11e45b72aad5d943a7ab991f869fff79","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"504b3fb9948a9e96ebbabdee0d33966a8bab15cb","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"eacfd08b26a062f1095b18719715bc82ad35312e","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"40be5b9080114f18b0cea386db415b68a7273c1a","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"f5e570eaab36a110c6ffda32b87c51170990c2d1","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"a890a2e339b929dbd843328f9a92a1625404fe63","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4proc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"5.4.302","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.247","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.197","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.117","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.58","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4proc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6025f641a0e30afdc5aa62017397b1860ad9f677"},{"url":"https://git.kernel.org/stable/c/e6cafe71eb3b5579b245ba1bd528a181e77f3df1"},{"url":"https://git.kernel.org/stable/c/fa4daf7d11e45b72aad5d943a7ab991f869fff79"},{"url":"https://git.kernel.org/stable/c/504b3fb9948a9e96ebbabdee0d33966a8bab15cb"},{"url":"https://git.kernel.org/stable/c/eacfd08b26a062f1095b18719715bc82ad35312e"},{"url":"https://git.kernel.org/stable/c/40be5b9080114f18b0cea386db415b68a7273c1a"},{"url":"https://git.kernel.org/stable/c/f5e570eaab36a110c6ffda32b87c51170990c2d1"},{"url":"https://git.kernel.org/stable/c/a890a2e339b929dbd843328f9a92a1625404fe63"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:48:18.325Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.4.302"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.197"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.1.159"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.6.117"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.12.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.17.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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