rhsa-2024_5640
Vulnerability from csaf_redhat
Published
2024-08-20 16:12
Modified
2024-11-06 06:44
Summary
Red Hat Security Advisory: linux-firmware security update

Notes

Topic
An update for linux-firmware is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. 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 linux-firmware packages contain all of the firmware files that are required by various devices to operate. Security Fix(es): * kernel: Reserved fields in guest message responses may not be zero initialized (CVE-2023-31346) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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.


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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Tom Dohrmann"
          ]
        }
      ],
      "cve": "CVE-2023-31346",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2023-11-18T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2250458"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in some AMD CPUs where the guest message responses have not been zero-initialized. This issue may allow a local attacker with the ability to run arbitrary code on a container or virtual machine to discover sensitive information contained in the host system\u0027s memory.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: Reserved fields in guest message responses may not be zero initialized",
          "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": {
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          "category": "external",
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-31346",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-31346"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-31346",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-31346"
        },
        {
          "category": "external",
          "summary": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3007.html",
          "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3007.html"
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      "release_date": "2023-12-19T00:00:00+00:00",
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            "confidentialityImpact": "HIGH",
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "kernel: Reserved fields in guest message responses may not be zero initialized"
    }
  ]
}


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