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Heap-based Buffer Overflow Affecting qemu-img package, versions <10:1.5.3-126.el7_3.6

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.14% (51st percentile)

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  • Snyk IDSNYK-RHEL7-QEMUIMG-4741657
  • published26 Jul 2021
  • disclosed14 Mar 2017
Report a new vulnerability Found a mistake?

Introduced: 14 Mar 2017

CVE-2016-9603  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade RHEL:7 qemu-img to version 10:1.5.3-126.el7_3.6 or higher.
This issue was patched in RHSA-2017:0987.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-img package and not the qemu-img package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process.