Out-of-bounds Write Affecting kernel-rt-debug-devel package, versions <0:4.18.0-305.12.1.rt7.84.el8_4


Severity

Recommended
0.0
high
0
10

Based on Rocky Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.21% (61st percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ROCKY8-KERNELRTDEBUGDEVEL-3288160
  • published3 Feb 2023
  • disclosed7 Jul 2021

Introduced: 7 Jul 2021

CVE-2021-22555  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 kernel-rt-debug-devel to version 0:4.18.0-305.12.1.rt7.84.el8_4 or higher.
This issue was patched in RLSA-2021:3088.

NVD Description

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

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space

CVSS Scores

version 3.1