{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40203","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.179Z","datePublished":"2025-11-12T21:56:34.801Z","dateUpdated":"2026-05-11T21:44:45.268Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:44:45.268Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nlistmount: don't call path_put() under namespace semaphore\n\nMassage listmount() and make sure we don't call path_put() under the\nnamespace semaphore. If we put the last reference we're fscked."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/namespace.c"],"versions":[{"version":"b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d","lessThan":"659874b7ee4976ad9ce476e07fd36bc67b3537f1","status":"affected","versionType":"git"},{"version":"b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d","lessThan":"9c80da26fda2fdcaac7f92b5908875b3108830ff","status":"affected","versionType":"git"},{"version":"b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d","lessThan":"c1f86d0ac322c7e77f6f8dbd216c65d39358ffc0","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/namespace.c"],"versions":[{"version":"6.8","status":"affected"},{"version":"0","lessThan":"6.8","status":"unaffected","versionType":"semver"},{"version":"6.12.54","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.17.4","lessThanOrEqual":"6.17.*","status":"unaffected","versionType":"semver"},{"version":"6.18","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":"6.8","versionEndExcluding":"6.12.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.17.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/659874b7ee4976ad9ce476e07fd36bc67b3537f1"},{"url":"https://git.kernel.org/stable/c/9c80da26fda2fdcaac7f92b5908875b3108830ff"},{"url":"https://git.kernel.org/stable/c/c1f86d0ac322c7e77f6f8dbd216c65d39358ffc0"}],"title":"listmount: don't call path_put() under namespace semaphore","x_generator":{"engine":"bippy-1.2.0"}}}}