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Unchecked Return Value Affecting kernel-cross-headers package, versions *

Severity

 Recommended
low

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-RHEL8-KERNELCROSSHEADERS-1329359
  • published 26 Jul 2021
  • disclosed 11 Jan 2018
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Introduced: 11 Jan 2018

CVE-2018-8043 Open this link in a new tab
CWE-252 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

There is no fixed version for RHEL:8 kernel-cross-headers.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-cross-headers package and not the kernel-cross-headers package as distributed by RHEL. See How to fix? for RHEL:8 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).