xen — security advisory

{
  "id": "a4599d15e05f0a267e9be813ac4144dff9970fe918b478a0273960a5044a9b60",
  "url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-26401",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ALPINE-CVE-2021-26401",
    "summary": "LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.",
    "evidence": "osv:ALPINE-CVE-2021-26401",
    "products": [
      {
        "name": {
          "value": "xen",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.2-r2",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "xen",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.2-r2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "ALPINE-CVE-2021-26401",
      "aliases": [
        "ALPINE-CVE-2021-26401"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.2-r2"
                }
              ]
            }
          ],
          "package": {
            "name": "xen",
            "purl": "pkg:apk/alpine/xen?arch=source",
            "ecosystem": "Alpine:v3.14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26401.json"
          },
          "ecosystem_specific": {}
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.2-r2"
                }
              ]
            }
          ],
          "package": {
            "name": "xen",
            "purl": "pkg:apk/alpine/xen?arch=source",
            "ecosystem": "Alpine:v3.15"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26401.json"
          },
          "ecosystem_specific": {}
        }
      ],
      "modified": "2026-10-23T17:17:56.162717303Z",
      "provider": "osv",
      "upstream": [
        "CVE-2021-26401"
      ],
      "references": [
        "https://security.alpinelinux.org/vuln/CVE-2021-26401"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2021-26401",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 415350,
  "published_at": "2022-03-11T18:15:11.327+00:00"
}