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NULL Pointer Dereference Affecting kernel-uek-debug-devel package, versions <0:4.14.35-1844.1.3.el7uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEBUGDEVEL-2531742
  • published10 Apr 2022
  • 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 Oracle:7 kernel-uek-debug-devel to version 0:4.14.35-1844.1.3.el7uek or higher.
This issue was patched in ELSA-2019-4509.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug-devel package and not the kernel-uek-debug-devel package as distributed by Oracle. See How to fix? for Oracle:7 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).