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Out-of-bounds Write Affecting virglrenderer package, versions <0.8.1-r0

0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.07% (30th percentile)
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NVD
7.8 high
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SUSE
7.8 high
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Red Hat
5.5 medium

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  • Snyk ID SNYK-ALPINE317-VIRGLRENDERER-3144581
  • published 21 Jul 2020
  • disclosed 23 Dec 2019
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Introduced: 23 Dec 2019

CVE-2019-18389 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Alpine:3.17 virglrenderer to version 0.8.1-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virglrenderer package and not the virglrenderer package as distributed by Alpine. See How to fix? for Alpine:3.17 relevant fixed versions and status.

A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.