{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40242","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.181Z","datePublished":"2025-12-04T15:31:31.497Z","dateUpdated":"2026-05-11T21:45:32.497Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:45:32.497Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Fix unlikely race in gdlm_put_lock\n\nIn gdlm_put_lock(), there is a small window of time in which the\nDFL_UNMOUNT flag has been set but the lockspace hasn't been released,\nyet.  In that window, dlm may still call gdlm_ast() and gdlm_bast().\nTo prevent it from dereferencing freed glock objects, only free the\nglock if the lockspace has actually been released."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/gfs2/lock_dlm.c"],"versions":[{"version":"d1340f80f0b8066321b499a376780da00560e857","lessThan":"5fdc1474e678eea1700aa266c0b7c2c96f81dd0d","status":"affected","versionType":"git"},{"version":"d1340f80f0b8066321b499a376780da00560e857","lessThan":"4913592a3358f6ec366b8346b733d5e2360b08e1","status":"affected","versionType":"git"},{"version":"d1340f80f0b8066321b499a376780da00560e857","lessThan":"279bde3bbb0ac0bad5c729dfa85983d75a5d7641","status":"affected","versionType":"git"},{"version":"d1340f80f0b8066321b499a376780da00560e857","lessThan":"64c61b4ac645222fa7b724cef616c1f862a72a40","status":"affected","versionType":"git"},{"version":"d1340f80f0b8066321b499a376780da00560e857","lessThan":"28c4d9bc0708956c1a736a9e49fee71b65deee81","status":"affected","versionType":"git"},{"version":"6aa628c45875e7b8cca81ed9447a12a0e8f3504a","status":"affected","versionType":"git"},{"version":"a97e75203733be0a4263a78fb7b29352be150c1c","status":"affected","versionType":"git"},{"version":"3554b46204e67333e1fb8be0e93936fb08267c80","status":"affected","versionType":"git"},{"version":"5cff77b9827a956d076168b56775aad23bce87e4","status":"affected","versionType":"git"},{"version":"8deedce385d220f90e435f534d71d27526273515","status":"affected","versionType":"git"},{"version":"2225a5cd2fbc2ef0e0f78e585db3844f60416a39","status":"affected","versionType":"git"},{"version":"02e838963fdaa6ce8570b5389aecdc6cf1fb40b0","status":"affected","versionType":"git"},{"version":"01eb3106f43335fdc02111358dae80a5c3fd324d","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/gfs2/lock_dlm.c"],"versions":[{"version":"5.15","status":"affected"},{"version":"0","lessThan":"5.15","status":"unaffected","versionType":"semver"},{"version":"6.1.168","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.131","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.56","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.17.6","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":"5.15","versionEndExcluding":"6.1.168"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.6.131"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.12.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.17.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.284"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.283"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.207"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.67"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14.6"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5fdc1474e678eea1700aa266c0b7c2c96f81dd0d"},{"url":"https://git.kernel.org/stable/c/4913592a3358f6ec366b8346b733d5e2360b08e1"},{"url":"https://git.kernel.org/stable/c/279bde3bbb0ac0bad5c729dfa85983d75a5d7641"},{"url":"https://git.kernel.org/stable/c/64c61b4ac645222fa7b724cef616c1f862a72a40"},{"url":"https://git.kernel.org/stable/c/28c4d9bc0708956c1a736a9e49fee71b65deee81"}],"title":"gfs2: Fix unlikely race in gdlm_put_lock","x_generator":{"engine":"bippy-1.2.0"}}}}