microcode_ctl: Fix of CVE-2025-35973

{
  "id": "d2d557dc93f830156b93e900a7936ce1d5effc2c6d4b9b6e7943a4acbe922f0f",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1791485704",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "microcode_ctl: Fix of CVE-2025-35973",
    "summary": "- CVE-2025-35973: update Intel CPU microcode data files to release 20260925, which restores the Meteor Lake 06-aa-04 update (revision 0x28 -> 0x2b) that release 20260812 withdrew, completing the INTEL-SA-01428 mitigation for that family; the other affected families were already covered by 20260812",
    "evidence": "osv:CLSA-2026-1791485704",
    "products": [
      {
        "name": {
          "value": "microcode_ctl",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4:20250211-1.20260925.1.el9_2.tuxcare.els3",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1791485704",
      "aliases": [
        "CLSA-2026-1791485704"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4:20250211-1.20260925.1.el9_2.tuxcare.els3"
                }
              ]
            }
          ],
          "package": {
            "name": "microcode_ctl",
            "purl": "pkg:rpm/tuxcare/microcode_ctl?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791485704.json"
          }
        }
      ],
      "modified": "2026-10-26T09:30:53.566851873Z",
      "provider": "osv",
      "upstream": [
        "CVE-2025-35973"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1791485704.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-35973"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2025-35973",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 447316,
  "published_at": "2026-10-08T18:55:15+00:00"
}