Use of a Broken or Risky Cryptographic Algorithm Affecting kernel-uek package, versions <0:4.1.12-124.67.3.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEK-3040016
  • published18 May 2022
  • disclosed25 Dec 2021

Introduced: 25 Dec 2021

CVE-2021-45486  (opens in a new tab)
CWE-327  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek to version 0:4.1.12-124.67.3.el7uek or higher.
This issue was patched in ELSA-2022-9852.

NVD Description

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

In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.

CVSS Scores

version 3.1