{"id":"CVE-2025-21660","state":"PUBLISHED","title":"ksmbd: fix unexpectedly changed path in ksmbd_vfs_kern_path_locked","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix unexpectedly changed path in ksmbd_vfs_kern_path_locked\n\nWhen `ksmbd_vfs_kern_path_locked` met an error and it is not the last\nentry, it will exit without restoring changed path buffer. But later this\nbuffer may be used as the filename for creation.","publishedAt":"2025-01-21T12:18:16.062Z","updatedAt":"2026-05-23T15:56:48.649Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d1b2d2a9c912fc7b788985fbaf944e80f4b3f2af","status":"affected","lessThan":"13e41c58c74baa71f34c0830eaa3c29d53a6e964","versionType":"git"},{"version":"6ab95e27b77730de3fa2d601db3764490c5eede2","status":"affected","lessThan":"65b31b9d992c0fb0685c51a0cf09993832734fc4","versionType":"git"},{"version":"c5a709f08d40b1a082e44ffcde1aea4d2822ddd5","status":"affected","lessThan":"51669f4af5f7959565b48e55691ba92fabf5c587","versionType":"git"},{"version":"c5a709f08d40b1a082e44ffcde1aea4d2822ddd5","status":"affected","lessThan":"2ac538e40278a2c0c051cca81bcaafc547d61372","versionType":"git"},{"version":"d205cb1a13b37b2660df70a972dedc8c4ba1c2e8","status":"affected","versionType":"git"},{"version":"c1e27b70e79050530c671b9dab688386c86f039a","status":"affected","versionType":"git"},{"version":"6.1.113","status":"affected","lessThan":"6.1.125","versionType":"semver"},{"version":"6.6.54","status":"affected","lessThan":"6.6.72","versionType":"semver"},{"version":"6.10.13","status":"affected","lessThan":"6.11","versionType":"semver"},{"version":"6.11.2","status":"affected","lessThan":"6.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/vfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.12","versionType":"semver"},{"version":"6.1.125","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.72","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.10","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/vfs.c"]}],"references":["https://git.kernel.org/stable/c/13e41c58c74baa71f34c0830eaa3c29d53a6e964","https://git.kernel.org/stable/c/65b31b9d992c0fb0685c51a0cf09993832734fc4","https://git.kernel.org/stable/c/51669f4af5f7959565b48e55691ba92fabf5c587","https://git.kernel.org/stable/c/2ac538e40278a2c0c051cca81bcaafc547d61372","https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:08:39.238Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/21xxx/CVE-2025-21660.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-21660","state":"PUBLISHED","datePublished":"2025-01-21T12:18:16.062Z","dateUpdated":"2026-05-23T15:56:48.649Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-12-29T08:45:45.732Z"},"containers":{"cna":{"title":"ksmbd: fix unexpectedly changed path in ksmbd_vfs_kern_path_locked","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix unexpectedly changed path in ksmbd_vfs_kern_path_locked\n\nWhen `ksmbd_vfs_kern_path_locked` met an error and it is not the last\nentry, it will exit without restoring changed path buffer. But later this\nbuffer may be used as the filename for creation."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d1b2d2a9c912fc7b788985fbaf944e80f4b3f2af","status":"affected","lessThan":"13e41c58c74baa71f34c0830eaa3c29d53a6e964","versionType":"git"},{"version":"6ab95e27b77730de3fa2d601db3764490c5eede2","status":"affected","lessThan":"65b31b9d992c0fb0685c51a0cf09993832734fc4","versionType":"git"},{"version":"c5a709f08d40b1a082e44ffcde1aea4d2822ddd5","status":"affected","lessThan":"51669f4af5f7959565b48e55691ba92fabf5c587","versionType":"git"},{"version":"c5a709f08d40b1a082e44ffcde1aea4d2822ddd5","status":"affected","lessThan":"2ac538e40278a2c0c051cca81bcaafc547d61372","versionType":"git"},{"version":"d205cb1a13b37b2660df70a972dedc8c4ba1c2e8","status":"affected","versionType":"git"},{"version":"c1e27b70e79050530c671b9dab688386c86f039a","status":"affected","versionType":"git"},{"version":"6.1.113","status":"affected","lessThan":"6.1.125","versionType":"semver"},{"version":"6.6.54","status":"affected","lessThan":"6.6.72","versionType":"semver"},{"version":"6.10.13","status":"affected","lessThan":"6.11","versionType":"semver"},{"version":"6.11.2","status":"affected","lessThan":"6.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/vfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.12","versionType":"semver"},{"version":"6.1.125","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.72","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.10","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/vfs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/13e41c58c74baa71f34c0830eaa3c29d53a6e964"},{"url":"https://git.kernel.org/stable/c/65b31b9d992c0fb0685c51a0cf09993832734fc4"},{"url":"https://git.kernel.org/stable/c/51669f4af5f7959565b48e55691ba92fabf5c587"},{"url":"https://git.kernel.org/stable/c/2ac538e40278a2c0c051cca81bcaafc547d61372"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:56:48.649Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.113","versionEndExcluding":"6.1.125"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.54","versionEndExcluding":"6.6.72"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.12.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T20:58:36.129Z"}}]}}}