Heap-based Buffer Overflow Affecting python-perf package, versions <0:3.10.0-229.20.1.el7


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.24% (63rd percentile)

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  • Snyk IDSNYK-CENTOS7-PYTHONPERF-2053852
  • published26 Jul 2021
  • disclosed6 Aug 2015

Introduced: 6 Aug 2015

CVE-2015-5156  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade Centos:7 python-perf to version 0:3.10.0-229.20.1.el7 or higher.

NVD Description

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

The virtnet_probe function in drivers/net/virtio_net.c in the Linux kernel before 4.2 attempts to support a FRAGLIST feature without proper memory allocation, which allows guest OS users to cause a denial of service (buffer overflow and memory corruption) via a crafted sequence of fragmented packets.

CVSS Scores

version 3.1