{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2026-90218", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-90218", "idYear": 2026, "status": "PUBLISHED", "publishedAt": "2026-09-17T16:07:30.076Z", "updatedAt": "2026-10-19T08:59:54.084Z", "importedAt": "2026-10-24T01:58:35.090Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "RDMA/cma: Fix WARNING in res_to_rt", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cma: Fix WARNING in res_to_rt\n\nsyzbot reported a WARN_ON(!res->dev) in res_to_rt() triggered via\naddr_handler() during asynchronous address resolution:\n\n\"\nWARNING: drivers/infiniband/core/restrack.c:138 at res_to_rt+0x1c4/0x230\nCPU#1: kworker/u8:4/59\nModules linked in:\nCPU: 1 UID: 0 PID: 59 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full)\nHardware name: Google Compute Engine, BIOS Google 07/24/2026\nWorkqueue: ib_addr process_one_req\nRIP: 0010:res_to_rt+0x1c4/0x230 drivers/infiniband/core/restrack.c:138\nRSP: 0018:ffffc9000201f850 EFLAGS: 00010293\nRAX: ffffffff88d00ce5 RBX: ffff88807f0fd4f8 RCX: ffff88801e6e0000\nRDX: 0000000000000000 RSI: ffffffff8fd996f0 RDI: 0000000000000003\nRBP: 0000000000000000 R08: ffff88801e6e0000 R09: 000000000000000a\nR10: 0000000000000009 R11: 0000000000000000 R12: dffffc0000000000\nR13: 1ffff1100fe1fa9f R14: 0000000000000000 R15: 0000000000000003\nFS: 0000000000000000(0000) GS:ffff888125012000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00001d559c3d2000 CR3: 0000000077c4c000 CR4: 00000000003526f0\nCall Trace:\n \n rdma_restrack_add+0x5a/0x8a0 drivers/infiniband/core/restrack.c:236\n addr_handler+0x41a/0x5a0 drivers/infiniband/core/cma.c:3534\n process_one_req+0x2eb/0x540 drivers/infiniband/core/addr.c:624\n process_one_work kernel/workqueue.c:3375 [inline]\n process_scheduled_works+0xc4e/0x1630 kernel/workqueue.c:3458\n worker_thread+0xa47/0xfb0 kernel/workqueue.c:3539\n kthread+0x388/0x470 kernel/kthread.c:436\n ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245\n \n\"\n\nIn addr_handler(), cma_acquire_dev_by_src_ip() is called to populate\nid_priv->cma_dev and bind the associated ib_device to id_priv->id.device.\nIf cma_acquire_dev_by_src_ip() returns an error (non-zero status), the ID\nremains unassociated with any RDMA device.\n\nPreviously, rdma_restrack_add(&id_priv->res) was invoked unconditionally\neven when cma_acquire_dev_by_src_ip() failed, passing a resource with a\nNULL dev pointer and triggering the WARN_ON assertion in res_to_rt().\n\nFix this by only adding the resource to restrack when acquiring the device\nsucceeds.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "c5ebaca402f5c5bd61ac8316feb2aa3a0be4d4a8", "status": "affected", "versionType": "git", "lessThan": "1d7e55ea64dd15769318ba2e0fe0956db82ba3c3" }, { "version": "cb5cd0ea4eb3ce338a593a5331ddb4986ae20faa", "status": "affected", "versionType": "git", "lessThan": "39e83bb77fc92344cd62a373b311f096d812e548" }, { "version": "cb5cd0ea4eb3ce338a593a5331ddb4986ae20faa", "status": "affected", "versionType": "git", "lessThan": "9c80273d663959504957606b9a24fe901ee2a4a1" }, { "version": "cb5cd0ea4eb3ce338a593a5331ddb4986ae20faa", "status": "affected", "versionType": "git", "lessThan": "2a63cb9ea862ac7d947952b497eef6520853538c" }, { "version": "cb5cd0ea4eb3ce338a593a5331ddb4986ae20faa", "status": "affected", "versionType": "git", "lessThan": "f72957e0b31f2962f4c1089a9223f1206aa26983" }, { "version": "cb5cd0ea4eb3ce338a593a5331ddb4986ae20faa", "status": "affected", "versionType": "git", "lessThan": "544e40805dbb6cfe64916bd4c8b238fec585ac2a" }, { "version": "cb5cd0ea4eb3ce338a593a5331ddb4986ae20faa", "status": "affected", "versionType": "git", "lessThan": "64a2bd4cfc16c24f0a0e6321a2fd00ffde3e0a5b" }, { "version": "cb5cd0ea4eb3ce338a593a5331ddb4986ae20faa", "status": "affected", "versionType": "git", "lessThan": "c6d1ec4fbe56492bb88987d577f04a5fb6955f26" }, { "version": "073fdf539d4c022162db3d77a5afca1710f0de2d", "status": "affected", "versionType": "git" }, { "version": "fa37a461bd6d9ee86e891ba3e4074a450e44c881", "status": "affected", "versionType": "git" }, { "version": "5.10.37", "status": "affected", "versionType": "semver", "lessThan": "5.10.270" }, { "version": "5.11.21", "status": "affected", "versionType": "semver", "lessThan": "5.12" }, { "version": "5.12.4", "status": "affected", "versionType": "semver", "lessThan": "5.13" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.13", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.13" }, { "version": "5.10.270", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.221", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.188", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.157", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.110", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.18.52", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.18.*" }, { "version": "7.2.6", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "7.2.*" }, { "version": "7.3", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }