CVE-2024-31948

Publication date 7 April 2024

Last updated 26 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

Description

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

Read the notes from the security team

Status

Package Ubuntu Release Status
frr 25.04 plucky
Fixed 10.0.1-0.1ubuntu1
24.10 oracular
Fixed 10.0.1-0.1ubuntu1
24.04 LTS noble
Fixed 8.4.4-1.1ubuntu6.1
23.10 mantic
Fixed 8.4.4-1.1ubuntu1.4
22.04 LTS jammy
Fixed 8.1-1ubuntu1.10
20.04 LTS focal
Fixed 7.2.1-1ubuntu0.2+esm2
quagga 25.04 plucky Not in release
24.10 oracular Not in release
24.04 LTS noble Not in release
23.10 mantic Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected

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Notes

sbeattie

the quagga project was renamed to frr

mdeslaur

code is different in quagga, no indication it is vulnerable

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
frr

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references