Null Byte Interaction Error (Poison Null Byte) Affecting kernel-debug-modules package, versions <0:4.18.0-240.el8


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELDEBUGMODULES-2052935
  • published26 Jul 2021
  • disclosed28 Oct 2019

Introduced: 28 Oct 2019

CVE-2020-10773  (opens in a new tab)
CWE-626  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-debug-modules to version 0:4.18.0-240.el8 or higher.

NVD Description

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

A stack information leak flaw was found in s390/s390x in the Linux kernel’s memory manager functionality, where it incorrectly writes to the /proc/sys/vm/cmm_timeout file. This flaw allows a local user to see the kernel data.

CVSS Scores

version 3.1