rhsa-2021_2322
Vulnerability from csaf_redhat
Published
2021-06-08 22:38
Modified
2024-11-15 07:32
Summary
Red Hat Security Advisory: qemu-kvm security update

Notes

Topic
An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. 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
Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fix(es): * QEMU: ide: atapi: OOB access while processing read commands (CVE-2020-29443) 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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        },
        "product_reference": "qemu-kvm-tools-10:1.5.3-175.el7_9.4.x86_64",
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Wenxiang Qian"
          ],
          "organization": "Tencent Blade Team"
        }
      ],
      "cve": "CVE-2020-29443",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "discovery_date": "2020-11-02T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1917446"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An out-of-bounds read-access flaw was found in the ATAPI Emulator of QEMU. This issue occurs while processing the ATAPI read command if the logical block address(LBA) is set to an invalid value. A guest user may use this flaw to crash the QEMU process on the host resulting in a denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "QEMU: ide: atapi: OOB access while processing read commands",
          "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"
        }
      ],
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-29443"
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          "category": "external",
          "summary": "RHBZ#1917446",
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-29443",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-29443"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-29443",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-29443"
        },
        {
          "category": "external",
          "summary": "https://www.openwall.com/lists/oss-security/2021/01/18/2",
          "url": "https://www.openwall.com/lists/oss-security/2021/01/18/2"
        }
      ],
      "release_date": "2020-11-18T00:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2021-06-08T22:38:48+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.",
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            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
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            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "QEMU: ide: atapi: OOB access while processing read commands"
    }
  ]
}


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