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


0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Availability High

    Threat Intelligence

    EPSS 0.05% (14th percentile)
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NVD
7.1 high
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SUSE
4.7 medium
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Red Hat
3.3 low

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  • Snyk ID SNYK-ALPINE317-VIRGLRENDERER-3144698
  • published 21 Jul 2020
  • disclosed 23 Dec 2019

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.

An out-of-bounds read in the vrend_blit_need_swizzle function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_BLIT commands.