Reachable Assertion Affecting frr-selinux package, versions <0:8.3.1-11.el9_3.alma.1


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.33% (71st percentile)

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  • Snyk IDSNYK-ALMALINUX9-FRRSELINUX-6060426
  • published15 Nov 2023
  • disclosed7 Nov 2023

Introduced: 7 Nov 2023

CVE-2022-36440  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 frr-selinux to version 0:8.3.1-11.el9_3.alma.1 or higher.
This issue was patched in ALSA-2023:6434.

NVD Description

Note: Versions mentioned in the description apply only to the upstream frr-selinux package and not the frr-selinux package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

A reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peek_for_as4_capability function. Attackers can maliciously construct BGP open packets and send them to BGP peers running frr-bgpd, resulting in DoS.

CVSS Scores

version 3.1