{"id":"CVE-2026-74299","state":"PUBLISHED","title":"RDMA/core: Fix FRMR aging push to queue error flow","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: Fix FRMR aging push to queue error flow\n\nAging pools with pinned handles requires moving handles from the\nactive queue to a non-empty inactive queue that might fail on new page\nallocation, we are currently not handling the fault and leaking any mkey\nthat fails the push.\n\nFix by Introducing push_queue_to_queue_locked() that fills the\ndestination's partial tail page from the source and then splices the\nremaining source pages onto the destination, performing no allocation.\n\nReplace the per-handle move loop in age_pinned_pool() and the\nopen-coded splice in pool_aging_work() with calls to the helper.\nAs the helper cannot fail under memory pressure, removing a class of\nGFP_ATOMIC allocations under the pool lock and simplifying the error\nflow.","publishedAt":"2026-08-15T05:58:02.688Z","updatedAt":"2026-08-17T05:16:46.307Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"020d189d16a62ed56115cce7e255459cf0eeb4e6","status":"affected","lessThan":"edf133d28fc43f7f8b0da43a8d5b93fdf8073d35","versionType":"git"},{"version":"020d189d16a62ed56115cce7e255459cf0eeb4e6","status":"affected","lessThan":"c6936506ed556ce3ccad36ab999baf2764dd7d25","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/frmr_pools.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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/frmr_pools.c"]}],"references":["https://git.kernel.org/stable/c/edf133d28fc43f7f8b0da43a8d5b93fdf8073d35","https://git.kernel.org/stable/c/c6936506ed556ce3ccad36ab999baf2764dd7d25"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/74xxx/CVE-2026-74299.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74299","state":"PUBLISHED","datePublished":"2026-08-15T05:58:02.688Z","dateUpdated":"2026-08-17T05:16:46.307Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-15T05:44:03.882Z"},"containers":{"cna":{"title":"RDMA/core: Fix FRMR aging push to queue error flow","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: Fix FRMR aging push to queue error flow\n\nAging pools with pinned handles requires moving handles from the\nactive queue to a non-empty inactive queue that might fail on new page\nallocation, we are currently not handling the fault and leaking any mkey\nthat fails the push.\n\nFix by Introducing push_queue_to_queue_locked() that fills the\ndestination's partial tail page from the source and then splices the\nremaining source pages onto the destination, performing no allocation.\n\nReplace the per-handle move loop in age_pinned_pool() and the\nopen-coded splice in pool_aging_work() with calls to the helper.\nAs the helper cannot fail under memory pressure, removing a class of\nGFP_ATOMIC allocations under the pool lock and simplifying the error\nflow."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"020d189d16a62ed56115cce7e255459cf0eeb4e6","status":"affected","lessThan":"edf133d28fc43f7f8b0da43a8d5b93fdf8073d35","versionType":"git"},{"version":"020d189d16a62ed56115cce7e255459cf0eeb4e6","status":"affected","lessThan":"c6936506ed556ce3ccad36ab999baf2764dd7d25","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/frmr_pools.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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/frmr_pools.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/edf133d28fc43f7f8b0da43a8d5b93fdf8073d35"},{"url":"https://git.kernel.org/stable/c/c6936506ed556ce3ccad36ab999baf2764dd7d25"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:16:46.307Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}