Improper Validation of Integrity Check Value Affecting kernel-doc package, versions <0:4.18.0-372.9.1.el8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.26% (86th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELDOC-4268000
  • published8 Sept 2021
  • disclosed8 Sept 2021

Introduced: 8 Sep 2021

CVE-2021-3772  (opens in a new tab)
CWE-354  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-doc to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RHSA-2022:1988.

NVD Description

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

A flaw was found in the Linux SCTP stack. A blind attacker may be able to kill an existing SCTP association through invalid chunks if the attacker knows the IP-addresses and port numbers being used and the attacker can send packets with spoofed IP addresses.

CVSS Scores

version 3.1