{"id":"CVE-2026-90425","revision":"edcb09215e224817b4fc8c509e523e66","records":[{"revision":"edcb09215e224817b4fc8c509e523e66","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90425","aliases":[],"title":"iommu/tegra241-cmdqv: Require exactly one Stream ID for a vSID","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/tegra241-cmdqv: Require exactly one Stream ID for a vSID\n\ntegra241_vintf_init_vsid() maps a guest vSID to a single physical Stream ID\ntaken from master->streams[0], and only warns when the device does not have\nexactly one stream. A device with several streams gets only its first one\nmapped, so a guest vSID invalidation cannot reach the others' ATC and IOTLB\nentries; a device with none makes master->streams a ZERO_SIZE_PTR, read out\nof bounds.\n\nReject the mapping with -EOPNOTSUPP if master->num_streams is not one.","state":0,"publishedAt":"2026-09-17T16:09:47.81+00:00","modifiedAt":"2026-10-19T09:03:29.009+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/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4dc0d12474f9d4833c3dd96b73d61e406d3f5dc7\",\n                            \"lessThan\": \"9b37afb2d34d99ec4f8db28134181b5a8ec9a4a5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4dc0d12474f9d4833c3dd96b73d61e406d3f5dc7\",\n                            \"lessThan\": \"0b139ec4641c7d4163d8e345c26cc630e24fa43b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4dc0d12474f9d4833c3dd96b73d61e406d3f5dc7\",\n                            \"lessThan\": \"fb292bfc9be936dade7eef7ec5762de1201983d8\",\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/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.17\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.17\",\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:C/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/9b37afb2d34d99ec4f8db28134181b5a8ec9a4a5","https://git.kernel.org/stable/c/0b139ec4641c7d4163d8e345c26cc630e24fa43b","https://git.kernel.org/stable/c/fb292bfc9be936dade7eef7ec5762de1201983d8"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90425","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90425","identifiers":["CVE-2026-90425"]},"retained":false,"historicalAffected":[]}],"coverage":[]}