Out-of-bounds Write Affecting kernel-uek-devel package, versions <0:4.1.12-124.53.5.el7uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.21% (61st percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEVEL-2600325
  • published10 Apr 2022
  • 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 Oracle:7 kernel-uek-devel to version 0:4.1.12-124.53.5.el7uek or higher.
This issue was patched in ELSA-2021-9395.

NVD Description

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