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Out-of-bounds Read Affecting xen package, versions <4.4.0-1

Severity

 Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.24% (64th percentile)

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  • Snyk IDSNYK-DEBIAN10-XEN-366164
  • published27 Jun 2018
  • disclosed27 Jul 2018
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Introduced: 27 Jun 2018

CVE-2017-2620  (opens in a new tab)
CWE-125  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:10 xen to version 4.4.0-1 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 Debian. See How to fix? for Debian:10 relevant fixed versions and status.

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

References