Description
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_capability_llgr() function.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | frr | 8.4.4-1 | — |
| Debian 13 | frr | 8.4.4-1 | — |
| Debian 12 | frr | 8.4.4-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | frr +1 | 8.5.3-4.el9 | RHSA-2024:2156 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | frr +1 | 8.5.3-4.el9 | ALSA-2024:2156 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | frr | 8.5.6-150500.4.30.1 | SUSE-SU-2024:4090-1 |
| SLES 15 SP5 | frr | 8.4-150500.4.3.1 | SUSE-SU-2024:4090-1, SUSE-SU-2023:2518-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | frr | 8.4-4.1 | openSUSE-SU-2024:12967-1 |
| openSUSE Leap 15.6 | frr | 8.5.6-150500.4.30.1 | SUSE-SU-2024:4090-1 |
| openSUSE Leap 15.5 | frr | 8.4-150500.4.3.1 | SUSE-SU-2024:4090-1, SUSE-SU-2023:2518-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | frr +1 | 8.5.3-4.el9 | ELSA-2024-2156 |
Advisories 9
- ALSA-2024:2156 Moderate: frr security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:2156 Red Hat Security Advisory: frr security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- SUSE-SU-2024:4090-1 Security update for frr SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2518-1 Security update for frr SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12967-1 frr-8.4-4.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-1181 FRRouting Project FRRouting: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Nov 27, 2024
- ELSA-2024-2156 Moderate: frr security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 2, 2024
- SSA-806742 SSA-806742: Multiple Vulnerabilities in SCALANCE XCM-/XRM-300 before V2.4 Siemens ProductCERT · Feb 13, 2024
- ICSA-24-046-11 Siemens SCALANCE XCM-/XRM-300 CISA ICS & IT advisories · Feb 13, 2024
References
- https://github.com/FRRouting/frr/issues/13098
- FEDORA-2023-514db5339e vendor-advisory
- FEDORA-2023-ce436d56f8 vendor-advisory
- FEDORA-2023-61abba57d8 vendor-advisory