{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d93febe2ed2e0491af9d47f0ee6d4b01918877f4"
            },
            {
              "fixed": "b95976c2ea446044553a5f469c0bae13553d75ab"
            },
            {
              "fixed": "49b32ddb87a3a109afecea89e55d70f73956b8bc"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53200.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: nv: Fix handling of XN[0] when !FEAT_XNX\n\nXN has already been extracted from its bitfield position so using\nFIELD_PREP() on the mask that clears XN[0] is completely broken, having\nthe effect of unconditionally granting execute permissions...\n\nFix the obvious mistake by manipulating the right bit.",
  "id": "CVE-2026-53200",
  "modified": "2026-07-08T05:36:24.298689572Z",
  "published": "2026-06-25T08:39:08.968Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/49b32ddb87a3a109afecea89e55d70f73956b8bc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b95976c2ea446044553a5f469c0bae13553d75ab"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53200.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53200"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "KVM: arm64: nv: Fix handling of XN[0] when !FEAT_XNX"
}