Use of a Broken or Risky Cryptographic Algorithm Affecting kernel-cross-headers package, versions <0:4.18.0-372.9.1.el8


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.13% (49th percentile)

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  • Snyk IDSNYK-ALMALINUX8-KERNELCROSSHEADERS-5640305
  • published28 May 2023
  • disclosed10 May 2022

Introduced: 10 May 2022

CVE-2021-45485  (opens in a new tab)
CWE-327  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 kernel-cross-headers to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in ALSA-2022:1988.

NVD Description

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

In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn't properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses.

CVSS Scores

version 3.1