linux-microvm-6.18-image-uncompressed — security advisory

{
  "id": "bf3b6e05e150dc890665eb90b761c34e0da0f245de94fbe6cf4a5d7d6af7cf24",
  "url": "https://osv.dev/vulnerability/CGA-v6j8-6p67-5vwg",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-v6j8-6p67-5vwg",
    "summary": "CGA-v6j8-6p67-5vwg",
    "evidence": "osv:CGA-v6j8-6p67-5vwg",
    "products": [
      {
        "name": {
          "value": "linux-microvm-6.18-image-uncompressed",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CGA-v6j8-6p67-5vwg",
      "aliases": [
        "CGA-v6j8-6p67-5vwg"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-microvm-6.18-image-uncompressed",
            "purl": "pkg:apk/chainguard/linux-microvm-6.18-image-uncompressed?arch=x86_64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-v6j8-6p67-5vwg.json"
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "linux-microvm-6.18-image-uncompressed",
                "component_purl": "pkg:apk/linux-microvm-6.18-image-uncompressed@6.18.56-r0",
                "component_type": "apk",
                "component_version": "6.18.56-r0",
                "component_location": "/.PKGINFO",
                "latest_event_status": "detection",
                "latest_event_timestamp": "2026-10-15T02:31:06Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-15T05:03:56.679452632Z",
      "provider": "osv",
      "upstream": [
        "CVE-2020-27815"
      ],
      "references": [
        "https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html",
        "https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html",
        "https://security.netapp.com/advisory/ntap-20210702-0004/",
        "https://www.debian.org/security/2021/dsa-4843",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C",
        "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c61b3e4839007668360ed8b87d7da96d2e59fc6c",
        "https://www.openwall.com/lists/oss-security/2020/11/30/5%2C",
        "https://www.openwall.com/lists/oss-security/2020/12/28/1%2C"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2020-27815",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 321133,
  "published_at": "2026-10-15T02:31:06+00:00"
}