Description
In the vrrp_ipsets_handler handler (fglobal_parser.c) of keepalived through 2.3.1, an integer overflow can occur. NOTE: this CVE Record might not be worthwhile because an empty ipset name must be configured by the user.
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 | keepalived | 1:2.3.2-1 | — |
| Debian 13 | keepalived | 1:2.3.2-1 | — |
| Debian 12 | keepalived | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | keepalived | No fix yet | — |
| Ubuntu 26.04 LTS | keepalived | No fix yet | — |
| Ubuntu 25.10 | keepalived | No fix yet | — |
| Ubuntu 24.04 LTS | keepalived | No fix yet | — |
| Ubuntu 22.04 LTS | keepalived | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | keepalived | No fix yet | — |
| Ubuntu 18.04 LTS | keepalived | No fix yet | — |
| Ubuntu 16.04 LTS | keepalived | No fix yet | — |
| Ubuntu Pro 14.04 LTS | keepalived | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | keepalived | 2.2.8-4.el9_5 | RHSA-2025:0917 |
| RHEL 8 | keepalived | 2.1.5-10.el8_10 | RHSA-2025:0743 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Ceph Storage 8 | ceph +27 | 2:19.2.1-222.el9cp | RHSA-2025:9775 |
| Red Hat Ceph Storage 8 | cephadm-ansible | 1:4.1.4-1.el9cp | RHSA-2025:9775 |
| Red Hat Ceph Storage 8 | liboath +1 | 2.6.12-1.el9cp | RHSA-2025:9775 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | keepalived | 2.2.8-4.el9_5 | ALSA-2025:0917 |
| AlmaLinux 8 | keepalived | 2.1.5-10.el8_10 | ALSA-2025:0743 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | keepalived | 2.2.8-4.el9_5 | RLSA-2025:0917 |
| Rocky Linux 8 | keepalived | 2.1.5-10.el8_10 | RLSA-2025:0743 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | keepalived | 2.2.8-150600.3.5.1 | SUSE-SU-2024:3633-1 |
| SLES 15 SP5 | keepalived | 2.2.2-150500.8.5.1 | SUSE-SU-2024:3634-1 |
| SLES 15 SP4 | keepalived | 2.2.2-150400.3.10.1 | SUSE-SU-2024:3031-1 |
| SLES 15 SP3 | keepalived | 2.0.19-150100.3.9.1 | SUSE-SU-2024:3658-1 |
| SLES 15 SP2 | keepalived | 2.0.19-150100.3.9.1 | SUSE-SU-2024:3658-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 6.0 | keepalived | 2.2.8-2.1 | SUSE-SU-2025:20039-1 |
| SLE Micro 5.5 | keepalived | 2.2.2-150500.8.5.1 | SUSE-SU-2024:3634-1 |
| SLE Micro 5.4 | keepalived | 2.2.2-150400.3.10.1 | SUSE-SU-2024:3031-1 |
| SLE Micro 5.3 | keepalived | 2.2.2-150400.3.10.1 | SUSE-SU-2024:3031-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | keepalived | 2.3.1+git59.b6681f98-1.1 | openSUSE-SU-2024:14332-1 |
| openSUSE Leap 15.6 | keepalived | 2.2.8-150600.3.5.1 | SUSE-SU-2024:3633-1 |
| openSUSE Leap 15.5 | keepalived | 2.2.2-150500.8.5.1 | SUSE-SU-2024:3634-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.5 | keepalived | 2.2.2-150500.8.5.1 | SUSE-SU-2024:3634-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | keepalived | 2.3.1-1 | — |
| Azure Linux 2 (CBL-Mariner) | keepalived | 2.3.1-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | keepalived | 2.2.8-4.el9_5 | ELSA-2025-0917 |
| Oracle Linux 8 | keepalived | 2.1.5-10.el8_10 | ELSA-2025-0743 |
Advisories 16
- ALSA-2025:0917 Moderate: keepalived security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2025:0743 Moderate: keepalived security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2025:9775 Red Hat Security Advisory: Red Hat Ceph Storage 8.1 security, bug fix, and enhancement updates Red Hat Security Advisories (RHSA) · Oct 16, 2026
- RHSA-2025:0917 Red Hat Security Advisory: keepalived security update Red Hat Security Advisories (RHSA) · Aug 19, 2026
- RHSA-2025:0743 Red Hat Security Advisory: keepalived security update Red Hat Security Advisories (RHSA) · Aug 19, 2026
- SUSE-SU-2025:20039-1 Security update for keepalived SUSE / openSUSE Security Updates · Mar 23, 2026
- RLSA-2025:0743 Moderate: keepalived security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2024:3031-1 Security update for keepalived SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3633-1 Security update for keepalived SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3658-1 Security update for keepalived SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14332-1 keepalived-2.3.1+git59.b6681f98-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3634-1 Security update for keepalived SUSE / openSUSE Security Updates · Feb 4, 2026
- RLSA-2025:0917 Moderate: keepalived security update Rocky Linux Security Advisories · Oct 9, 2025
- WID-SEC-2025-0200 Red Hat Enterprise Linux: Schwachstelle ermöglicht Ausspaehen von Informationen BSI CERT-Bund (WID) · Jun 26, 2025
- ELSA-2025-0917 Moderate: keepalived security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Feb 3, 2025
- ELSA-2025-0743 Moderate: keepalived security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jan 28, 2025