Out-of-bounds Read Affecting python-perf package, versions <0:5.4.17-2036.101.2.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE7-PYTHONPERF-2577913
  • published10 Apr 2022
  • disclosed20 Nov 2020

Introduced: 20 Nov 2020

CVE-2020-28974  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Oracle:7 python-perf to version 0:5.4.17-2036.101.2.el7uek or higher.
This issue was patched in ELSA-2020-5996.

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 slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height.

CVSS Scores

version 3.1