linux-qemu-6.18 — security advisory

{
  "id": "cd3c77b01fe713c0944a042cd5354e3a2c9e6a5921dc5ff4c60604b019dbda3c",
  "url": "https://osv.dev/vulnerability/CGA-j295-q3g8-xf7m",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-j295-q3g8-xf7m",
    "summary": "CGA-j295-q3g8-xf7m",
    "evidence": "osv:CGA-j295-q3g8-xf7m",
    "products": [
      {
        "name": {
          "value": "linux-qemu-6.18",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CGA-j295-q3g8-xf7m",
      "aliases": [
        "CGA-j295-q3g8-xf7m"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-qemu-6.18",
            "purl": "pkg:apk/chainguard/linux-qemu-6.18?arch=x86_64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-j295-q3g8-xf7m.json",
            "chainguard": {
              "applies_to_subpackages": false
            }
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "linux-kernel",
                "component_purl": "pkg:generic/linux-kernel/linux-kernel@6.18.38-r1-qemu-6.18",
                "component_type": "linux-kernel",
                "component_version": "6.18.38-r1-qemu-6.18",
                "component_location": "/boot/vmlinuz-6.18.60-r0-qemu-6.18",
                "latest_event_status": "pending_upstream_fix",
                "latest_event_timestamp": "2026-08-17T10:29:53Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-30T20:47:05.303391897Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-52956",
        "GHSA-wvxf-4p9h-5vg9"
      ],
      "references": [
        "https://git.kernel.org/stable/c/821365487aa58d06bda65c676ba215d506ba9768",
        "https://git.kernel.org/stable/c/c7e9b53aebe401970f1b5f5a01b4e021b18e8bb2",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52956.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-52956",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
        "https://git.kernel.org/stable/c/5df268406ef38d0f92547959296577c7077dacdc",
        "https://git.kernel.org/stable/c/759053333a40c6997c2917dcd6160bfe40d2b42e",
        "https://git.kernel.org/stable/c/ebc7eddf6225b87e3aae720875f9dd40cb6b1cef"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-52956",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 460812,
  "published_at": "2026-07-15T13:10:21+00:00"
}