Divide By Zero Affecting kernel-rt-debug-core package, versions <0:4.18.0-553.8.1.rt7.349.el8_10


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELRTDEBUGCORE-7036363
  • published23 May 2024
  • disclosed22 May 2024

Introduced: 22 May 2024

CVE-2021-47495  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-rt-debug-core to version 0:4.18.0-553.8.1.rt7.349.el8_10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-core package and not the kernel-rt-debug-core package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

usbnet: sanity check for maxpacket

maxpacket of 0 makes no sense and oopses as we need to divide by it. Give up.

V2: fixed typo in log and stylistic issues

CVSS Scores

version 3.1