Use After Free Affecting python-perf package, versions <0:2.6.32-696.20.1.el6


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.08% (36th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-ORACLE6-PYTHONPERF-2523314
  • published10 Apr 2022
  • disclosed11 Jul 2017

Introduced: 11 Jul 2017

CVE-2017-11176  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:6 python-perf to version 0:2.6.32-696.20.1.el6 or higher.
This issue was patched in ELSA-2018-0169.

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 Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

The mq_notify function in the Linux kernel through 4.11.9 does not set the sock pointer to NULL upon entry into the retry logic. During a user-space close of a Netlink socket, it allows attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact.

CVSS Scores

version 3.1