{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588"
            },
            {
              "fixed": "74aabe9ea30fdfba924fce9594e6aa69a596a4bb"
            },
            {
              "fixed": "dd7118c010f324497c275e8fd7a35c9baaa2a00f"
            },
            {
              "fixed": "6ffdbcd7a02f3af8fff9b6519830369f574ed44c"
            },
            {
              "fixed": "70e7045849e954e56dcbf441b6330e66bc996306"
            },
            {
              "fixed": "64bd6ccc5799f8473d1f37d4d8f53093dfec5c02"
            },
            {
              "fixed": "b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9b"
            },
            {
              "fixed": "77a759ec30bc5fb0dd9c867b711d0acfed6c7faa"
            },
            {
              "fixed": "8a18f896e667df491331371b55d4ad644dc51d60"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.19.0"
            },
            {
              "fixed": "5.10.259"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.210"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.143"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.93"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.35"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63961.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: altmodes/displayport: validate count before reading Status Update VDO\n\nA broken/malicious device can send the incorrect count for a status\nupdate VDO, which will cause the kernel to read uninitialized stack data\nand send it off elsewhere.\n\nFix this up by correctly verifying the count for the update object.",
  "id": "CVE-2026-63961",
  "modified": "2026-08-12T03:51:41.996532244Z",
  "published": "2026-07-19T14:55:50.993Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/64bd6ccc5799f8473d1f37d4d8f53093dfec5c02"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6ffdbcd7a02f3af8fff9b6519830369f574ed44c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/70e7045849e954e56dcbf441b6330e66bc996306"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/74aabe9ea30fdfba924fce9594e6aa69a596a4bb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/77a759ec30bc5fb0dd9c867b711d0acfed6c7faa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a18f896e667df491331371b55d4ad644dc51d60"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dd7118c010f324497c275e8fd7a35c9baaa2a00f"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63961.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63961"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "usb: typec: altmodes/displayport: validate count before reading Status Update VDO"
}