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Out-of-Bounds Affecting qemu package, versions <1:5.2+dfsg-10

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Privileges Required High
    Scope Changed

    Threat Intelligence

    EPSS 0.05% (16th percentile)
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NVD
5.7 medium
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SUSE
5.7 medium
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Red Hat
5.7 medium

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  • Snyk ID SNYK-DEBIAN11-QEMU-1073754
  • published 13 Feb 2021
  • disclosed 23 Mar 2021
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Introduced: 13 Feb 2021

CVE-2021-3409 Open this link in a new tab
CWE-119 Open this link in a new tab

How to fix?

Upgrade Debian:11 qemu to version 1:5.2+dfsg-10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation code. This flaw allows a malicious privileged guest to crash the QEMU process on the host, resulting in a denial of service or potential code execution. QEMU up to (including) 5.2.0 is affected by this.