Out-of-bounds Read Affecting qemu-img package, versions <10:1.5.3-126.el7_3.3


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-RHEL7-QEMUIMG-4641083
  • published26 Jul 2021
  • disclosed17 Feb 2016

Introduced: 17 Feb 2016

CVE-2016-2857  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:7 qemu-img to version 10:1.5.3-126.el7_3.3 or higher.
This issue was patched in RHSA-2017:0083.

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 net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap read and crash) via the payload length in a crafted packet.

CVSS Scores

version 3.1