{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "918eb5c856f6ce4cf93b4b38e4b5e156905c5943"
            },
            {
              "fixed": "1d2271d7df5230e4ce36bdafd17524bd004f3b3f"
            },
            {
              "fixed": "417190bde0fda4ee857999a722ca90163fbec587"
            },
            {
              "fixed": "f40f3144477314b489e4bc209c06cb51679fe82b"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.12.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90424.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/tegra241-cmdqv: Fix VINTF0 leak on the init-failure path\n\ntegra241_cmdqv_init_structures() allocates VINTF0 with kzalloc_obj(), inits\nit, and preallocates its logical VCMDQs. Two of its error paths leak.\n\nWhen tegra241_cmdqv_init_vintf() fails it returns before VINTF0 reaches the\ncmdqv-\u003evintfs[] array, so the devres unwind on probe failure cannot reach\nit; free it directly there.\n\nA later VCMDQ preallocation failure instead leaves VINTF0 published, and so\nthis time the unwind does reach tegra241_cmdqv_remove_vintf(), which then\nfrees it from vintf-\u003ehyp_own. But tegra241_vintf_hw_init() sets that flag\nonly afterward, from a HW read-back, so the still-uninited VINTF0 reads as\nguest-owned and leaks, with mutex_destroy() and ida_destroy() run on fields\nit never set up.\n\nDecide ownership from vintf-\u003eidx instead, the index assigned when its id is\nallocated: idx 0 is the kernel-owned VINTF0, while idx \u003e= 1 marks a guest\nVINTF. So the in-kernel free decision in tegra241_cmdqv_remove_vintf() and\ntegra241_vintf_free_lvcmdq() now keys on idx too, and hyp_own stays a pure\nHW-readback state.",
  "id": "CVE-2026-90424",
  "modified": "2026-09-18T03:30:56.983772014Z",
  "published": "2026-09-17T16:09:47.165Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1d2271d7df5230e4ce36bdafd17524bd004f3b3f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/417190bde0fda4ee857999a722ca90163fbec587"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f40f3144477314b489e4bc209c06cb51679fe82b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90424.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90424"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "iommu/tegra241-cmdqv: Fix VINTF0 leak on the init-failure path"
}