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


Severity

Recommended
0.0
high
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.13% (49th percentile)

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  • Snyk IDSNYK-ROCKY8-PERF-3194854
  • published5 Jan 2023
  • disclosed25 Dec 2021

Introduced: 25 Dec 2021

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

How to fix?

Upgrade Rocky-Linux:8 perf to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RLSA-2022:1988.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux: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