{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4e527f1e5c155ce28164ba34cad47b635d16f827"
            },
            {
              "fixed": "2f460aa0211e97c011ef0cfe5016f8f2a2ed059b"
            },
            {
              "fixed": "4d5df98369c5f45710b786499f8bd7ffc3196433"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.1.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93246.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: fix out-of-bounds read setting MSI-X irq affinity\n\nrvu_register_interrupts() walks every MSI-X vector and uses strstr()\nto match \"Mbox\" or \"FLR\" in irq_name before pinning those interrupts\nto CPU 0. irq_name is a per-vector NAME_SIZE buffer, but not every\nslot is populated before this loop runs. strstr() keeps scanning until\nit finds a NUL terminator, so an uninitialized slot can trigger a KASAN\nslab-out-of-bounds read at boot when debug options are enabled.\n\nUse strnstr() with NAME_SIZE to bound the search within each vector's\nname buffer.",
  "id": "CVE-2026-93246",
  "modified": "2026-09-26T03:30:53.814539610Z",
  "published": "2026-09-24T15:51:03.587Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f460aa0211e97c011ef0cfe5016f8f2a2ed059b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4d5df98369c5f45710b786499f8bd7ffc3196433"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93246.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93246"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "octeontx2-af: fix out-of-bounds read setting MSI-X irq affinity"
}