linux-microvm-6.18 — security advisory

{
  "id": "5fd087a420d0e86346771ff0f58adc5587f3c2acfedf804f1648fce1d5c813fc",
  "url": "https://osv.dev/vulnerability/CGA-6mrg-3vq6-8g7r",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-6mrg-3vq6-8g7r",
    "summary": "CGA-6mrg-3vq6-8g7r",
    "evidence": "osv:CGA-6mrg-3vq6-8g7r",
    "products": [
      {
        "name": {
          "value": "linux-microvm-6.18",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CGA-6mrg-3vq6-8g7r",
      "aliases": [
        "CGA-6mrg-3vq6-8g7r"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-microvm-6.18",
            "purl": "pkg:apk/chainguard/linux-microvm-6.18?arch=aarch64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-6mrg-3vq6-8g7r.json"
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "linux-microvm-6.18",
                "component_purl": "pkg:apk/linux-microvm-6.18@6.18.56-r0",
                "component_type": "apk",
                "component_version": "6.18.56-r0",
                "component_location": "/.PKGINFO",
                "latest_event_status": "detection",
                "latest_event_timestamp": "2026-10-15T02:13:03Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-15T05:02:05.060850198Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-43311",
        "GHSA-5vxj-rjpg-8mhr"
      ],
      "references": []
    },
    "related_cves": [
      {
        "value": "CVE-2026-43311",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 319157,
  "published_at": "2026-10-15T02:13:03+00:00"
}