Out-of-bounds Read Affecting xen package, versions <4.7.1-r5

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Snyk IDSNYK-ALPINE316-XEN-2844984
published21 Jul 2020
disclosed3 Jul 2018

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Introduced: 3 Jul 2018

CVE-2017-2615 (opens in a new tab) CWE-125 (opens in a new tab) CWE-787 (opens in a new tab)

How to fix?

Upgrade Alpine:3.16 xen to version 4.7.1-r5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Alpine. See How to fix? for Alpine:3.16 relevant fixed versions and status.

Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.