Improper Validation of Integrity Check Value Affecting kernel-rt-core package, versions <0:4.18.0-372.9.1.rt7.166.el8


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
1.26% (86th percentile)

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  • Snyk IDSNYK-ROCKY8-KERNELRTCORE-3195913
  • published5 Jan 2023
  • disclosed2 Mar 2022

Introduced: 2 Mar 2022

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

How to fix?

Upgrade Rocky-Linux:8 kernel-rt-core to version 0:4.18.0-372.9.1.rt7.166.el8 or higher.
This issue was patched in RLSA-2022:1975.

NVD Description

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