{"id":"CVE-2026-90425","title":"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…","summary":"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…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 4dc0d12474f9d4833c3dd96b73d61e406d3f5dc7 < 9b37afb2d34d99ec4f8db28134181b5a8ec9a4a5","Linux >= 4dc0d12474f9d4833c3dd96b73d61e406d3f5dc7 < 0b139ec4641c7d4163d8e345c26cc630e24fa43b","Linux >= 4dc0d12474f9d4833c3dd96b73d61e406d3f5dc7 < fb292bfc9be936dade7eef7ec5762de1201983d8","Linux 6.17"],"published":"2026-09-17","updated":"2026-09-18","sourceUpdated":"2026-09-18T18:17:58.797","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90425","references":[{"url":"https://git.kernel.org/stable/c/0b139ec4641c7d4163d8e345c26cc630e24fa43b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9b37afb2d34d99ec4f8db28134181b5a8ec9a4a5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fb292bfc9be936dade7eef7ec5762de1201983d8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90425.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-90425"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536789"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90425"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90425"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-90425.mbox"},{"url":"https://kernelcve.org/list/?q=CVE-2026-90425"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00173,"epssPercentile":0.06726,"ingestedAt":"2026-09-17T16:21:47.793Z","cwe":["CWE-476","CWE-20"],"scores":{"nvd":8.8,"vendor":5.5},"slug":"CVE-2026-90425","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90425.json)","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":207319,"id":"CVE-2026-90425","ts":1789757340781,"field":"cvss","old":null,"new":"8.8"},{"seq":207318,"id":"CVE-2026-90425","ts":1789757340781,"field":"severity","old":"none","new":"high"}]}