Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update

{
  "id": "285da0999dc237f3f23ba0aa9334ff04f719c38555a98597cd2f016576ecdb74",
  "url": "https://osv.dev/vulnerability/RHSA-2021%3A3027",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update",
    "summary": "Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update",
    "evidence": "osv:RHSA-2021:3027",
    "products": [
      {
        "name": {
          "value": "microcode_ctl",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4:20210216-1.20210608.1.el8_4",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "RHSA-2021:3027",
      "aliases": [
        "RHSA-2021:3027"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4:20210216-1.20210608.1.el8_4"
                }
              ]
            }
          ],
          "package": {
            "name": "microcode_ctl",
            "purl": "pkg:rpm/redhat/microcode_ctl",
            "ecosystem": "Red Hat:enterprise_linux:8::baseos"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2021:3027.json"
          }
        }
      ],
      "modified": "2026-10-09T10:02:38Z",
      "provider": "osv",
      "upstream": [
        "CVE-2020-0543",
        "CVE-2020-0548",
        "CVE-2020-0549",
        "CVE-2020-24489",
        "CVE-2020-24511",
        "CVE-2020-24512",
        "CVE-2020-8695",
        "CVE-2020-8696",
        "CVE-2020-8698"
      ],
      "references": [
        "https://access.redhat.com/errata/RHSA-2021:3027",
        "https://access.redhat.com/security/updates/classification/#important",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1788786",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1788788",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1827165",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1828583",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1890355",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1890356",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1962650",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1962702",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1962722",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1972325",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1972328",
        "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3027.json",
        "https://access.redhat.com/security/cve/CVE-2020-0543",
        "https://www.cve.org/CVERecord?id=CVE-2020-0543",
        "https://nvd.nist.gov/vuln/detail/CVE-2020-0543",
        "https://access.redhat.com/solutions/5142691",
        "https://access.redhat.com/solutions/5142751",
        "https://blogs.intel.com/technology/2020/06/ipas-security-advisories-for-june-2020/#gs.6uyhri",
        "https://software.intel.com/security-software-guidance/insights/deep-dive-special-register-buffer-data-sampling",
        "https://xenbits.xen.org/xsa/advisory-320.html",
        "https://access.redhat.com/security/cve/CVE-2020-0548",
        "https://www.cve.org/CVERecord?id=CVE-2020-0548",
        "https://nvd.nist.gov/vuln/detail/CVE-2020-0548",
        "https://access.redhat.com/solutions/l1d-cache-eviction-and-vector-register-sampling",
        "https://blogs.intel.com/technology/2020/01/ipas-intel-sa-00329/",
        "https://cacheoutattack.com/CacheOut.pdf",
        "https://software.intel.com/security-software-guidance/software-guidance/l1d-eviction-sampling",
        "https://access.redhat.com/security/cve/CVE-2020-0549",
        "https://www.cve.org/CVERecord?id=CVE-2020-0549",
        "https://nvd.nist.gov/vuln/detail/CVE-2020-0549",
        "https://access.redhat.com/security/cve/CVE-2020-8695",
        "https://access.redhat.com/articles/5569051",
        "https://www.cve.org/CVERecord?id=CVE-2020-8695",
        "https://nvd.nist.gov/vuln/detail/CVE-2020-8695",
        "https://en.wikipedia.org/wiki/Power_analysis",
        "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00389.html",
        "https://access.redhat.com/security/cve/CVE-2020-8696",
        "https://www.cve.org/CVERecord?id=CVE-2020-8696",
        "https://nvd.nist.gov/vuln/detail/CVE-2020-8696",
        "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00381.html",
        "https://access.redhat.com/security/cve/CVE-2020-8698",
        "https://www.cve.org/CVERecord?id=CVE-2020-8698",
        "https://nvd.nist.gov/vuln/detail/CVE-2020-8698",
        "https://access.redhat.com/security/cve/CVE-2020-24489",
        "https://www.cve.org/CVERecord?id=CVE-2020-24489",
        "https://nvd.nist.gov/vuln/detail/CVE-2020-24489",
        "https://access.redhat.com/security/cve/CVE-2020-24511",
        "https://www.cve.org/CVERecord?id=CVE-2020-24511",
        "https://nvd.nist.gov/vuln/detail/CVE-2020-24511",
        "https://access.redhat.com/security/cve/CVE-2020-24512",
        "https://www.cve.org/CVERecord?id=CVE-2020-24512",
        "https://nvd.nist.gov/vuln/detail/CVE-2020-24512"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2020-0543",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2020-0548",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2020-0549",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2020-24489",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2020-24511",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2020-24512",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2020-8695",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2020-8696",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2020-8698",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 111807,
  "published_at": "2024-09-16T05:58:10+00:00"
}