{"id":"CVE-2026-99212","state":"PUBLISHED","title":"net/rds: don't let the rdma_cm destroy an id RDS still owns on route failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/rds: don't let the rdma_cm destroy an id RDS still owns on route failure\n\nrds_rdma_cm_event_handler_cmn() hands the return value of\nrdma_resolve_route() straight back to the rdma_cm on\nRDMA_CM_EVENT_ADDR_RESOLVED.  A synchronous failure there - -ENOMEM\nfrom the route work allocation, an SA query that cannot be set up, a\nRoCE route with no usable device - makes addr_handler() destroy the\nid the event was delivered on.  That id is ic->i_cm_id, and nothing\nclears the pointer: the connection sits in RDS_CONN_CONNECTING with a\nfreed id until its shutdown calls rdma_disconnect() and\nrdma_destroy_id() on it.\n\nThe ROUTE_RESOLVED case already avoids this: rds_ib_cm_initiate_connect()\nforces a zero return while ic->i_cm_id == cm_id, as the comment there\nexplains.  Do the same here - drop the connection and return 0 - so\nthe id stays RDS's to destroy from the shutdown, and the reconnect\ngets a fresh one.","publishedAt":"2026-10-28T10:36:05.612Z","updatedAt":"2026-10-30T12:42:58.757Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"664fd3205cbec71ac52c005ee705cd917bb6fb1a","versionType":"git"},{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"b8f141f65885810e24fc23b8a71692db62d535bf","versionType":"git"},{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"e677eda15df7d5ce256654343418043c7ffd6f9b","versionType":"git"},{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"92143c5d80382588d5a3047a4f14023ee9ef6485","versionType":"git"},{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"a7c7d0ff876377fea7ae876a28d6df8d9349df57","versionType":"git"},{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"91ece3efa064f0b3b3c67b9b045d9eeb4a034e43","versionType":"git"},{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"98d446b7c013254a8a7b49720557676a3a851fde","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rds/rdma_transport.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.30","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.30","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.161","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.115","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.59","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.13","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rds/rdma_transport.c"]}],"references":["https://git.kernel.org/stable/c/664fd3205cbec71ac52c005ee705cd917bb6fb1a","https://git.kernel.org/stable/c/b8f141f65885810e24fc23b8a71692db62d535bf","https://git.kernel.org/stable/c/e677eda15df7d5ce256654343418043c7ffd6f9b","https://git.kernel.org/stable/c/92143c5d80382588d5a3047a4f14023ee9ef6485","https://git.kernel.org/stable/c/a7c7d0ff876377fea7ae876a28d6df8d9349df57","https://git.kernel.org/stable/c/91ece3efa064f0b3b3c67b9b045d9eeb4a034e43","https://git.kernel.org/stable/c/98d446b7c013254a8a7b49720557676a3a851fde"],"weaknesses":[],"ingestedAt":"2026-10-30T13:02:04.640Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/99xxx/CVE-2026-99212.json","commit":"cb14bf1b43b0c9f05f7f40eae2246263fd430780","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-99212","state":"PUBLISHED","datePublished":"2026-10-28T10:36:05.612Z","dateUpdated":"2026-10-30T12:42:58.757Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.401Z"},"containers":{"cna":{"title":"net/rds: don't let the rdma_cm destroy an id RDS still owns on route failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/rds: don't let the rdma_cm destroy an id RDS still owns on route failure\n\nrds_rdma_cm_event_handler_cmn() hands the return value of\nrdma_resolve_route() straight back to the rdma_cm on\nRDMA_CM_EVENT_ADDR_RESOLVED.  A synchronous failure there - -ENOMEM\nfrom the route work allocation, an SA query that cannot be set up, a\nRoCE route with no usable device - makes addr_handler() destroy the\nid the event was delivered on.  That id is ic->i_cm_id, and nothing\nclears the pointer: the connection sits in RDS_CONN_CONNECTING with a\nfreed id until its shutdown calls rdma_disconnect() and\nrdma_destroy_id() on it.\n\nThe ROUTE_RESOLVED case already avoids this: rds_ib_cm_initiate_connect()\nforces a zero return while ic->i_cm_id == cm_id, as the comment there\nexplains.  Do the same here - drop the connection and return 0 - so\nthe id stays RDS's to destroy from the shutdown, and the reconnect\ngets a fresh one."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"664fd3205cbec71ac52c005ee705cd917bb6fb1a","versionType":"git"},{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"b8f141f65885810e24fc23b8a71692db62d535bf","versionType":"git"},{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"e677eda15df7d5ce256654343418043c7ffd6f9b","versionType":"git"},{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"92143c5d80382588d5a3047a4f14023ee9ef6485","versionType":"git"},{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"a7c7d0ff876377fea7ae876a28d6df8d9349df57","versionType":"git"},{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"91ece3efa064f0b3b3c67b9b045d9eeb4a034e43","versionType":"git"},{"version":"55b7ed0b582f9ff4bf3b9b44969cddda8c6763ea","status":"affected","lessThan":"98d446b7c013254a8a7b49720557676a3a851fde","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rds/rdma_transport.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.30","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.30","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.161","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.115","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.59","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.13","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rds/rdma_transport.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/664fd3205cbec71ac52c005ee705cd917bb6fb1a"},{"url":"https://git.kernel.org/stable/c/b8f141f65885810e24fc23b8a71692db62d535bf"},{"url":"https://git.kernel.org/stable/c/e677eda15df7d5ce256654343418043c7ffd6f9b"},{"url":"https://git.kernel.org/stable/c/92143c5d80382588d5a3047a4f14023ee9ef6485"},{"url":"https://git.kernel.org/stable/c/a7c7d0ff876377fea7ae876a28d6df8d9349df57"},{"url":"https://git.kernel.org/stable/c/91ece3efa064f0b3b3c67b9b045d9eeb4a034e43"},{"url":"https://git.kernel.org/stable/c/98d446b7c013254a8a7b49720557676a3a851fde"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:42:58.757Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.6.161"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.12.115"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.18.59"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"7.2.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}