{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68419", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.391Z", "datePublished": "2026-08-10T12:04:39.912Z", "dateUpdated": "2026-08-10T12:04:39.912Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T12:04:39.912Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Prevent rereg_mr for non-mem regions\n\nWhen a QP/CQ/SRQ is created, a two step process is used\nwhere the buffer is allocated in userspace and explicitly\nregistered with the normal reg_mr mechanism prior to creating\nthe actual QP/CQ/SRQ object.\n\nThese special registrations are indicated via an ABI field\nso the driver knows that they do not have a valid mkey and\nto skip the actual CQP command submission.\n\nSince these are real MR objects from the core's perspective,\nit is possible for a user application to invoke rereg_mr on them\nand cause a real CQP op to be emitted with the zero-initialized\nmkey value of 0.\n\nFix this by preventing rereg_mr on these special regions."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/irdma/verbs.c"], "versions": [{"version": "715fdb3b30541cc8180b7cdc6aa9f8c307afdf25", "lessThan": "fb46d134e1b8690bed2da9005b36d32d2efd34ac", "status": "affected", "versionType": "git"}, {"version": "5ac388db27c443dadfbb0b8b23fa7ccf429d901a", "lessThan": "b5029e91c63406e4f4c8d58161048b41b6f0bd8c", "status": "affected", "versionType": "git"}, {"version": "5ac388db27c443dadfbb0b8b23fa7ccf429d901a", "lessThan": "ca1c29f05274b737dc964e28b97803750d7cf7ec", "status": "affected", "versionType": "git"}, {"version": "5ac388db27c443dadfbb0b8b23fa7ccf429d901a", "lessThan": "dbaa37e060918c45517786e37ecab0f300b48fa9", "status": "affected", "versionType": "git"}, {"version": "5ac388db27c443dadfbb0b8b23fa7ccf429d901a", "lessThan": "a846aecb931b4d65d5eafa92a0623545af46d4f2", "status": "affected", "versionType": "git"}, {"version": "6.6.120", "lessThan": "6.6.148", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/irdma/verbs.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.120", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.2-rc4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/fb46d134e1b8690bed2da9005b36d32d2efd34ac"}, {"url": "https://git.kernel.org/stable/c/b5029e91c63406e4f4c8d58161048b41b6f0bd8c"}, {"url": "https://git.kernel.org/stable/c/ca1c29f05274b737dc964e28b97803750d7cf7ec"}, {"url": "https://git.kernel.org/stable/c/dbaa37e060918c45517786e37ecab0f300b48fa9"}, {"url": "https://git.kernel.org/stable/c/a846aecb931b4d65d5eafa92a0623545af46d4f2"}], "title": "RDMA/irdma: Prevent rereg_mr for non-mem regions", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{}

{"created": "2026-08-10T16:30:05.108360+00:00", "updated": "2026-08-10T16:30:05.108366+00:00", "vendors": [], "weaknesses": ["CWE-665", "CWE-285"]}