Improper Input Validation Affecting qemu-img package, versions <10:1.5.3-86.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
7.93% (95th percentile)

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  • Snyk IDSNYK-RHEL7-QEMUIMG-4516258
  • published26 Jul 2021
  • disclosed12 Nov 2014

Introduced: 12 Nov 2014

CVE-2014-7840  (opens in a new tab)
CWE-20  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade RHEL:7 qemu-img to version 10:1.5.3-86.el7 or higher.
This issue was patched in RHSA-2015:0349.

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.

The host_from_stream_offset function in arch_init.c in QEMU, when loading RAM during migration, allows remote attackers to execute arbitrary code via a crafted (1) offset or (2) length value in savevm data.

CVSS Scores

version 3.1