Out-of-Bounds Affecting frr-selinux package, versions <0:8.3.1-5.el9_2.4


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.13% (49th percentile)

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  • Snyk IDSNYK-RHEL9-FRRSELINUX-6371822
  • published5 Mar 2024
  • disclosed24 Feb 2023

Introduced: 24 Feb 2023

CVE-2023-38406  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:9 frr-selinux to version 0:8.3.1-5.el9_2.4 or higher.
This issue was patched in RHSA-2024:1093.

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 RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."

CVSS Scores

version 3.1