{"id":"CVE-2026-93154","revision":"95d7741b08934ddca2fd34607b4b21af","records":[{"revision":"95d7741b08934ddca2fd34607b4b21af","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93154","aliases":[],"title":"RDMA/irdma: Add refcounting to user ring MRs","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Add refcounting to user ring MRs\n\nPrevent userspace from deregistering the MRs that back QP/CQ/SRQ rings\nby bumping the MR's refcount upon association.","state":0,"publishedAt":"2026-09-17T16:11:50.107+00:00","modifiedAt":"2026-10-19T09:06:26.358+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/infiniband/hw/irdma/utils.c\",\n                        \"drivers/infiniband/hw/irdma/verbs.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"b48c24c2d710cf34810c555dcef883a3d35a9c08\",\n                            \"lessThan\": \"07974c267f603a76aead348bca97deee95efdcc9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b48c24c2d710cf34810c555dcef883a3d35a9c08\",\n                            \"lessThan\": \"a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b48c24c2d710cf34810c555dcef883a3d35a9c08\",\n                            \"lessThan\": \"f67d8a08f60c9217df6d40da56422d2049f5e334\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/infiniband/hw/irdma/utils.c\",\n                        \"drivers/infiniband/hw/irdma/verbs.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/07974c267f603a76aead348bca97deee95efdcc9","https://git.kernel.org/stable/c/a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b","https://git.kernel.org/stable/c/f67d8a08f60c9217df6d40da56422d2049f5e334"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93154","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93154","identifiers":["CVE-2026-93154"]},"retained":false,"historicalAffected":[]}],"coverage":[]}