KVM: arm64: nv: Drop bogus WARN for write to ZCR_EL2

{
  "id": "c99859003bca584b510cae60b19d555e0ab3003c7c699834a656eb25da260a4f",
  "url": "https://osv.dev/vulnerability/CVE-2026-72280",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "KVM: arm64: nv: Drop bogus WARN for write to ZCR_EL2",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Drop bogus WARN for write to ZCR_EL2 It is entirely possible for a guest to write to the ZCR_EL2 sysreg alias while in a nested context, as it is expected if FEAT_NV2 is advertised to the L1 hypervisor. Get rid of the bogus WARN which, since the hyp vectors were installed at this point, has the effect of a hyp_panic...",
    "evidence": "osv:CVE-2026-72280",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.97",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.40",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.1.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-72280",
      "aliases": [
        "CVE-2026-72280"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0cfc85b8f5cf3b77463d61542191c75ba0cc3a5f"
                },
                {
                  "fixed": "6561597dba97e3e8479a9919bda172cf43eb902c"
                },
                {
                  "fixed": "5000bcae71c869cba6674c326fec2d8ad659ae3a"
                },
                {
                  "fixed": "7deadbc5dab5b8e2316364603bc6281129c8461c"
                },
                {
                  "fixed": "9f1667098c6ae7ec81a9a56859cfdacb822aa0d0"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72280.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.11.0"
                },
                {
                  "fixed": "6.12.97"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.18.40"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "7.1.5"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72280.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.897859390Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/5000bcae71c869cba6674c326fec2d8ad659ae3a",
        "https://git.kernel.org/stable/c/6561597dba97e3e8479a9919bda172cf43eb902c",
        "https://git.kernel.org/stable/c/7deadbc5dab5b8e2316364603bc6281129c8461c",
        "https://git.kernel.org/stable/c/9f1667098c6ae7ec81a9a56859cfdacb822aa0d0",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72280.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-72280",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72280.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-72280",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 510962,
  "published_at": "2026-08-15T05:55:04.969+00:00"
}