{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "8f98a715da8e906cff5c635f9eb5399b84751557"
            },
            {
              "fixed": "424510b60d4698a75a6ff71acdd88b528f0f39af"
            },
            {
              "fixed": "f26e3f7186cd6ecc93e6af102744d64c798dea7e"
            },
            {
              "fixed": "f9bc5633b761cff200c428f61ed0df6212b1c721"
            },
            {
              "fixed": "b65b7f3f3c18f797f81a2af7c97e2079900ad6db"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.91"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.33"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63843.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.5 ring\n\nJPEG rings do not support 64-bit user fence writes, reject CS\nsubmissions with user fences.\n\n(cherry picked from commit f05d0a4f21fc720116d6e238f23308b199891058)",
  "id": "CVE-2026-63843",
  "modified": "2026-07-22T05:29:49.518429211Z",
  "published": "2026-07-19T14:04:37.815Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/424510b60d4698a75a6ff71acdd88b528f0f39af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b65b7f3f3c18f797f81a2af7c97e2079900ad6db"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f26e3f7186cd6ecc93e6af102744d64c798dea7e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f9bc5633b761cff200c428f61ed0df6212b1c721"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63843.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63843"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.5 ring"
}