{"id":"CVE-2025-71084","state":"PUBLISHED","title":"RDMA/cm: Fix leaking the multicast GID table reference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cm: Fix leaking the multicast GID table reference\n\nIf the CM ID is destroyed while the CM event for multicast creating is\nstill queued the cancel_work_sync() will prevent the work from running\nwhich also prevents destroying the ah_attr. This leaks a refcount and\ntriggers a WARN:\n\n   GID entry ref leak for dev syz1 index 2 ref=573\n   WARNING: CPU: 1 PID: 655 at drivers/infiniband/core/cache.c:809 release_gid_table drivers/infiniband/core/cache.c:806 [inline]\n   WARNING: CPU: 1 PID: 655 at drivers/infiniband/core/cache.c:809 gid_table_release_one+0x284/0x3cc drivers/infiniband/core/cache.c:886\n\nDestroy the ah_attr after canceling the work, it is safe to call this\ntwice.","publishedAt":"2026-01-13T15:34:47.665Z","updatedAt":"2026-10-19T18:15:11.601Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"60d613b39e8d0c9f3b526e9c96445422b4562d76","status":"affected","lessThan":"d5ce588a9552878859a4d44b70b724216c188a5f","versionType":"git"},{"version":"fe454dc31e84f8c14cb8942fcb61666c9f40745b","status":"affected","lessThan":"abf38398724ecc888f62c678d288da40d11878af","versionType":"git"},{"version":"fe454dc31e84f8c14cb8942fcb61666c9f40745b","status":"affected","lessThan":"ab668a58c4a2ccb6d54add7a76f2f955d15d0196","versionType":"git"},{"version":"fe454dc31e84f8c14cb8942fcb61666c9f40745b","status":"affected","lessThan":"c0acdee513239e1d6e1b490f56be0e6837dfd162","versionType":"git"},{"version":"fe454dc31e84f8c14cb8942fcb61666c9f40745b","status":"affected","lessThan":"5cb34bb5fd726491b809efbeb5cfd63ae5bf9cf3","versionType":"git"},{"version":"fe454dc31e84f8c14cb8942fcb61666c9f40745b","status":"affected","lessThan":"3ba6d01c4b3c584264dc733c6a2ecc5bbc8e0bb5","versionType":"git"},{"version":"fe454dc31e84f8c14cb8942fcb61666c9f40745b","status":"affected","lessThan":"57f3cb6c84159d12ba343574df2115fb18dd83ca","versionType":"git"},{"version":"a3262b3884dd67b4c5632ce7cdf9cff9d1a575d4","status":"affected","versionType":"git"},{"version":"5.10.20","status":"affected","lessThan":"5.10.248","versionType":"semver"},{"version":"5.11.3","status":"affected","lessThan":"5.12","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":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.10.248","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.198","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.160","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.120","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.64","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.4","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","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/d5ce588a9552878859a4d44b70b724216c188a5f","https://git.kernel.org/stable/c/abf38398724ecc888f62c678d288da40d11878af","https://git.kernel.org/stable/c/ab668a58c4a2ccb6d54add7a76f2f955d15d0196","https://git.kernel.org/stable/c/c0acdee513239e1d6e1b490f56be0e6837dfd162","https://git.kernel.org/stable/c/5cb34bb5fd726491b809efbeb5cfd63ae5bf9cf3","https://git.kernel.org/stable/c/3ba6d01c4b3c584264dc733c6a2ecc5bbc8e0bb5","https://git.kernel.org/stable/c/57f3cb6c84159d12ba343574df2115fb18dd83ca"],"weaknesses":["CWE-401"],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/71xxx/CVE-2025-71084.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71084","state":"PUBLISHED","datePublished":"2026-01-13T15:34:47.665Z","dateUpdated":"2026-10-19T18:15:11.601Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:30:19.649Z"},"containers":{"cna":{"title":"RDMA/cm: Fix leaking the multicast GID table reference","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cm: Fix leaking the multicast GID table reference\n\nIf the CM ID is destroyed while the CM event for multicast creating is\nstill queued the cancel_work_sync() will prevent the work from running\nwhich also prevents destroying the ah_attr. This leaks a refcount and\ntriggers a WARN:\n\n   GID entry ref leak for dev syz1 index 2 ref=573\n   WARNING: CPU: 1 PID: 655 at drivers/infiniband/core/cache.c:809 release_gid_table drivers/infiniband/core/cache.c:806 [inline]\n   WARNING: CPU: 1 PID: 655 at drivers/infiniband/core/cache.c:809 gid_table_release_one+0x284/0x3cc drivers/infiniband/core/cache.c:886\n\nDestroy the ah_attr after canceling the work, it is safe to call this\ntwice."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"60d613b39e8d0c9f3b526e9c96445422b4562d76","status":"affected","lessThan":"d5ce588a9552878859a4d44b70b724216c188a5f","versionType":"git"},{"version":"fe454dc31e84f8c14cb8942fcb61666c9f40745b","status":"affected","lessThan":"abf38398724ecc888f62c678d288da40d11878af","versionType":"git"},{"version":"fe454dc31e84f8c14cb8942fcb61666c9f40745b","status":"affected","lessThan":"ab668a58c4a2ccb6d54add7a76f2f955d15d0196","versionType":"git"},{"version":"fe454dc31e84f8c14cb8942fcb61666c9f40745b","status":"affected","lessThan":"c0acdee513239e1d6e1b490f56be0e6837dfd162","versionType":"git"},{"version":"fe454dc31e84f8c14cb8942fcb61666c9f40745b","status":"affected","lessThan":"5cb34bb5fd726491b809efbeb5cfd63ae5bf9cf3","versionType":"git"},{"version":"fe454dc31e84f8c14cb8942fcb61666c9f40745b","status":"affected","lessThan":"3ba6d01c4b3c584264dc733c6a2ecc5bbc8e0bb5","versionType":"git"},{"version":"fe454dc31e84f8c14cb8942fcb61666c9f40745b","status":"affected","lessThan":"57f3cb6c84159d12ba343574df2115fb18dd83ca","versionType":"git"},{"version":"a3262b3884dd67b4c5632ce7cdf9cff9d1a575d4","status":"affected","versionType":"git"},{"version":"5.10.20","status":"affected","lessThan":"5.10.248","versionType":"semver"},{"version":"5.11.3","status":"affected","lessThan":"5.12","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":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.10.248","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.198","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.160","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.120","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.64","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.4","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","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/d5ce588a9552878859a4d44b70b724216c188a5f"},{"url":"https://git.kernel.org/stable/c/abf38398724ecc888f62c678d288da40d11878af"},{"url":"https://git.kernel.org/stable/c/ab668a58c4a2ccb6d54add7a76f2f955d15d0196"},{"url":"https://git.kernel.org/stable/c/c0acdee513239e1d6e1b490f56be0e6837dfd162"},{"url":"https://git.kernel.org/stable/c/5cb34bb5fd726491b809efbeb5cfd63ae5bf9cf3"},{"url":"https://git.kernel.org/stable/c/3ba6d01c4b3c584264dc733c6a2ecc5bbc8e0bb5"},{"url":"https://git.kernel.org/stable/c/57f3cb6c84159d12ba343574df2115fb18dd83ca"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T16:03:07.795Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.20","versionEndExcluding":"5.10.248"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.1.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.6.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.12.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.18.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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