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NULL Pointer Dereference Affecting python-perf-debuginfo package, versions <0:4.14.192-147.314.amzn2

Severity

 Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHONPERFDEBUGINFO-1683079
  • published27 Sept 2021
  • disclosed10 Mar 2018
Report a new vulnerability Found a mistake?

Introduced: 10 Mar 2018

CVE-2018-8043  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python-perf-debuginfo to version 0:4.14.192-147.314.amzn2 or higher.
This issue was patched in ALAS2-2020-1480.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-perf-debuginfo package and not the python-perf-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

The unimac_mdio_probe function in drivers/net/phy/mdio-bcm-unimac.c in the Linux kernel through 4.15.8 does not validate certain resource availability, which allows local users to cause a denial of service (NULL pointer dereference).