{"id":"CVE-2025-38151","state":"PUBLISHED","title":"RDMA/cma: Fix hang when cma_netevent_callback fails to queue_work","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cma: Fix hang when cma_netevent_callback fails to queue_work\n\nThe cited commit fixed a crash when cma_netevent_callback was called for\na cma_id while work on that id from a previous call had not yet started.\nThe work item was re-initialized in the second call, which corrupted the\nwork item currently in the work queue.\n\nHowever, it left a problem when queue_work fails (because the item is\nstill pending in the work queue from a previous call). In this case,\ncma_id_put (which is called in the work handler) is therefore not\ncalled. This results in a userspace process hang (zombie process).\n\nFix this by calling cma_id_put() if queue_work fails.","publishedAt":"2025-07-03T08:35:55.879Z","updatedAt":"2026-05-23T15:59:05.473Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"51003b2c872c63d28bcf5fbcc52cf7b05615f7b7","status":"affected","lessThan":"1ac40736c8c4255d8417b937c9715b193f4a87b3","versionType":"git"},{"version":"c2b169fc7a12665d8a675c1ff14bca1b9c63fb9a","status":"affected","lessThan":"ac7897c0124066b9705ffca252a3662d54fc0c9b","versionType":"git"},{"version":"d23fd7a539ac078df119707110686a5b226ee3bb","status":"affected","lessThan":"02e45168e0fd6fdc6f8f7c42c4b500857aa5efb0","versionType":"git"},{"version":"45f5dcdd049719fb999393b30679605f16ebce14","status":"affected","lessThan":"8b05aa3692e45b8249379dc52b14acc6a104d2e5","versionType":"git"},{"version":"45f5dcdd049719fb999393b30679605f16ebce14","status":"affected","lessThan":"92a251c3df8ea1991cd9fe00f1ab0cfce18d7711","versionType":"git"},{"version":"b172a4a0de254f1fcce7591833a9a63547c2f447","status":"affected","versionType":"git"},{"version":"6.1.135","status":"affected","lessThan":"6.1.142","versionType":"semver"},{"version":"6.6.88","status":"affected","lessThan":"6.6.94","versionType":"semver"},{"version":"6.12.25","status":"affected","lessThan":"6.12.34","versionType":"semver"},{"version":"6.14.4","status":"affected","lessThan":"6.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/cma.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.1.142","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.94","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.34","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.3","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/cma.c"]}],"references":["https://git.kernel.org/stable/c/1ac40736c8c4255d8417b937c9715b193f4a87b3","https://git.kernel.org/stable/c/ac7897c0124066b9705ffca252a3662d54fc0c9b","https://git.kernel.org/stable/c/02e45168e0fd6fdc6f8f7c42c4b500857aa5efb0","https://git.kernel.org/stable/c/8b05aa3692e45b8249379dc52b14acc6a104d2e5","https://git.kernel.org/stable/c/92a251c3df8ea1991cd9fe00f1ab0cfce18d7711","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38151.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38151","state":"PUBLISHED","datePublished":"2025-07-03T08:35:55.879Z","dateUpdated":"2026-05-23T15:59:05.473Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:23.989Z"},"containers":{"cna":{"title":"RDMA/cma: Fix hang when cma_netevent_callback fails to queue_work","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cma: Fix hang when cma_netevent_callback fails to queue_work\n\nThe cited commit fixed a crash when cma_netevent_callback was called for\na cma_id while work on that id from a previous call had not yet started.\nThe work item was re-initialized in the second call, which corrupted the\nwork item currently in the work queue.\n\nHowever, it left a problem when queue_work fails (because the item is\nstill pending in the work queue from a previous call). In this case,\ncma_id_put (which is called in the work handler) is therefore not\ncalled. This results in a userspace process hang (zombie process).\n\nFix this by calling cma_id_put() if queue_work fails."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"51003b2c872c63d28bcf5fbcc52cf7b05615f7b7","status":"affected","lessThan":"1ac40736c8c4255d8417b937c9715b193f4a87b3","versionType":"git"},{"version":"c2b169fc7a12665d8a675c1ff14bca1b9c63fb9a","status":"affected","lessThan":"ac7897c0124066b9705ffca252a3662d54fc0c9b","versionType":"git"},{"version":"d23fd7a539ac078df119707110686a5b226ee3bb","status":"affected","lessThan":"02e45168e0fd6fdc6f8f7c42c4b500857aa5efb0","versionType":"git"},{"version":"45f5dcdd049719fb999393b30679605f16ebce14","status":"affected","lessThan":"8b05aa3692e45b8249379dc52b14acc6a104d2e5","versionType":"git"},{"version":"45f5dcdd049719fb999393b30679605f16ebce14","status":"affected","lessThan":"92a251c3df8ea1991cd9fe00f1ab0cfce18d7711","versionType":"git"},{"version":"b172a4a0de254f1fcce7591833a9a63547c2f447","status":"affected","versionType":"git"},{"version":"6.1.135","status":"affected","lessThan":"6.1.142","versionType":"semver"},{"version":"6.6.88","status":"affected","lessThan":"6.6.94","versionType":"semver"},{"version":"6.12.25","status":"affected","lessThan":"6.12.34","versionType":"semver"},{"version":"6.14.4","status":"affected","lessThan":"6.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/cma.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.1.142","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.94","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.34","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.3","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/cma.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/1ac40736c8c4255d8417b937c9715b193f4a87b3"},{"url":"https://git.kernel.org/stable/c/ac7897c0124066b9705ffca252a3662d54fc0c9b"},{"url":"https://git.kernel.org/stable/c/02e45168e0fd6fdc6f8f7c42c4b500857aa5efb0"},{"url":"https://git.kernel.org/stable/c/8b05aa3692e45b8249379dc52b14acc6a104d2e5"},{"url":"https://git.kernel.org/stable/c/92a251c3df8ea1991cd9fe00f1ab0cfce18d7711"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:59:05.473Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.135","versionEndExcluding":"6.1.142"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.88","versionEndExcluding":"6.6.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.25","versionEndExcluding":"6.12.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"6.15.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"6.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14.4"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T17:34:41.520Z"}}]}}}