rhsa-2021_2300
Vulnerability from csaf_redhat
Published
2021-06-09 01:07
Modified
2024-11-22 17:03
Summary
Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update

Notes

Topic
An update for microcode_ctl is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The microcode_ctl packages provide microcode updates for Intel. Security Fix(es): * hw: vt-d related privilege escalation (CVE-2020-24489) * hw: improper isolation of shared resources in some Intel Processors (CVE-2020-24511) * hw: observable timing discrepancy in some Intel Processors (CVE-2020-24512) * hw: information disclosure on some Intel Atom processors (CVE-2020-24513) Bug Fix(es) and Enhancement(s): * Update Intel CPU microcode to microcode-20210525 release
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


To clipboard 

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        {
          "category": "description",
          "text": "A potential domain bypass transient execution vulnerability was discovered on some Intel Atom\u00ae processors that uses a microarchitectural incidental channel. Currently this channel can reveal supervisor data in the L1 cache and the contents of recent stores. As a consequence, this issue may allow an authenticated user to potentially enable information disclosure via local access.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "hw: information disclosure on some Intel Atom processors",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "7Server-7.2.AUS:microcode_ctl-2:2.1-12.37.el7_2.src",
          "7Server-7.2.AUS:microcode_ctl-2:2.1-12.37.el7_2.x86_64",
          "7Server-7.2.AUS:microcode_ctl-debuginfo-2:2.1-12.37.el7_2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-24513"
        },
        {
          "category": "external",
          "summary": "RHBZ#1962666",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962666"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-24513",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-24513"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-24513",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-24513"
        }
      ],
      "release_date": "2021-06-08T17:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-06-09T01:07:25+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "7Server-7.2.AUS:microcode_ctl-2:2.1-12.37.el7_2.src",
            "7Server-7.2.AUS:microcode_ctl-2:2.1-12.37.el7_2.x86_64",
            "7Server-7.2.AUS:microcode_ctl-debuginfo-2:2.1-12.37.el7_2.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:2300"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "7Server-7.2.AUS:microcode_ctl-2:2.1-12.37.el7_2.src",
            "7Server-7.2.AUS:microcode_ctl-2:2.1-12.37.el7_2.x86_64",
            "7Server-7.2.AUS:microcode_ctl-debuginfo-2:2.1-12.37.el7_2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "hw: information disclosure on some Intel Atom processors"
    }
  ]
}


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