Out-of-Bounds Affecting python-perf package, versions <0:3.10.0-862.el7


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
2.53% (91st percentile)

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  • Snyk IDSNYK-ORACLE7-PYTHONPERF-2522179
  • published10 Apr 2022
  • disclosed14 Jan 2018

Introduced: 14 Jan 2018

CVE-2017-15126  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Oracle:7 python-perf to version 0:3.10.0-862.el7 or higher.
This issue was patched in ELSA-2018-1062.

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:7 relevant fixed versions and status.

A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failure to fork correctly can lead to a situation where a fork event will be removed from an already freed list of events with userfaultfd_ctx_put().

CVSS Scores

version 3.1