{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40055","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.157Z","datePublished":"2025-10-28T11:48:29.665Z","dateUpdated":"2026-05-11T21:41:36.488Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:41:36.488Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix double free in user_cluster_connect()\n\nuser_cluster_disconnect() frees \"conn->cc_private\" which is \"lc\" but then\nthe error handling frees \"lc\" a second time.  Set \"lc\" to NULL on this\npath to avoid a double free."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ocfs2/stack_user.c"],"versions":[{"version":"c994c2ebdbbc391a42f177c8eb7882ebf3f142d8","lessThan":"283333079d96c84baa91f0c62b5e0cbec246b7a2","status":"affected","versionType":"git"},{"version":"c994c2ebdbbc391a42f177c8eb7882ebf3f142d8","lessThan":"f992bc72f681c32a682d474a29c2135a64d4f4e5","status":"affected","versionType":"git"},{"version":"c994c2ebdbbc391a42f177c8eb7882ebf3f142d8","lessThan":"827c8efa0d1afe817b90f3618afff552e88348d2","status":"affected","versionType":"git"},{"version":"c994c2ebdbbc391a42f177c8eb7882ebf3f142d8","lessThan":"bfe011297ddd2d0cd64752978baaa0c04cd20573","status":"affected","versionType":"git"},{"version":"c994c2ebdbbc391a42f177c8eb7882ebf3f142d8","lessThan":"7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2","status":"affected","versionType":"git"},{"version":"c994c2ebdbbc391a42f177c8eb7882ebf3f142d8","lessThan":"694d5b401036a614f8080085a9de6f86ff0742dc","status":"affected","versionType":"git"},{"version":"c994c2ebdbbc391a42f177c8eb7882ebf3f142d8","lessThan":"892f41e12c8689130d552a9eb2b77bafd26484ab","status":"affected","versionType":"git"},{"version":"c994c2ebdbbc391a42f177c8eb7882ebf3f142d8","lessThan":"8f45f089337d924db24397f55697cda0e6960516","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/ocfs2/stack_user.c"],"versions":[{"version":"3.14","status":"affected"},{"version":"0","lessThan":"3.14","status":"unaffected","versionType":"semver"},{"version":"5.4.301","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.246","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.195","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.156","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.112","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.53","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.17.3","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":"3.14","versionEndExcluding":"5.4.301"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.14","versionEndExcluding":"5.10.246"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.14","versionEndExcluding":"5.15.195"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.14","versionEndExcluding":"6.1.156"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.14","versionEndExcluding":"6.6.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.14","versionEndExcluding":"6.12.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.14","versionEndExcluding":"6.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.14","versionEndExcluding":"6.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/283333079d96c84baa91f0c62b5e0cbec246b7a2"},{"url":"https://git.kernel.org/stable/c/f992bc72f681c32a682d474a29c2135a64d4f4e5"},{"url":"https://git.kernel.org/stable/c/827c8efa0d1afe817b90f3618afff552e88348d2"},{"url":"https://git.kernel.org/stable/c/bfe011297ddd2d0cd64752978baaa0c04cd20573"},{"url":"https://git.kernel.org/stable/c/7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2"},{"url":"https://git.kernel.org/stable/c/694d5b401036a614f8080085a9de6f86ff0742dc"},{"url":"https://git.kernel.org/stable/c/892f41e12c8689130d552a9eb2b77bafd26484ab"},{"url":"https://git.kernel.org/stable/c/8f45f089337d924db24397f55697cda0e6960516"}],"title":"ocfs2: fix double free in user_cluster_connect()","x_generator":{"engine":"bippy-1.2.0"}}}}