Buffer Overflow Affecting kernel-uek-tools package, versions <0:4.14.35-2025.402.2.1.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th 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-ORACLE7-KERNELUEKTOOLS-2579616
  • published10 Apr 2022
  • disclosed9 Sept 2020

Introduced: 9 Sep 2020

CVE-2020-25211  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-tools to version 0:4.14.35-2025.402.2.1.el7uek or higher.
This issue was patched in ELSA-2020-5913.

NVD Description

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

In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c, aka CID-1cc5ef91d2ff.

CVSS Scores

version 3.1