Description
An ni_dhcp4_fsm_process_dhcp4_packet memory leak in openSUSE wicked 0.6.55 and earlier allows network attackers to cause a denial of service by sending DHCP4 packets with a different client-id.
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.
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | wicked | 0.6.60-3.13.1 | SUSE-SU-2020:0347-1 |
| SLES 15 | wicked | 0.6.60-3.24.1 | SUSE-SU-2020:0370-1 |
| SLES 12 SP5 | wicked | 0.6.60-3.5.1 | SUSE-SU-2020:0351-1 |
| SLES 12 SP4 | wicked | 0.6.60-2.18.1 | SUSE-SU-2020:0369-1 |
| SLES 12 SP1 | wicked | 0.6.60-28.26.1 | SUSE-SU-2020:0358-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 | wicked | 0.6.60-3.24.1 | SUSE-SU-2020:0370-1 |
| SLES for SAP 12 SP5 | wicked | 0.6.60-3.5.1 | SUSE-SU-2020:0351-1 |
| SLES for SAP 12 SP4 | wicked | 0.6.60-2.18.1 | SUSE-SU-2020:0369-1 |
| SLES for SAP 12 SP1 | wicked | 0.6.60-28.26.1 | SUSE-SU-2020:0358-1 |
| SLE HPC 15 | wicked | 0.6.60-3.24.1 | SUSE-SU-2020:0370-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wicked | 0.6.66-1.2 | openSUSE-SU-2024:11511-1 |
| openSUSE Leap 15.1 | wicked | 0.6.60-lp151.2.9.1 | openSUSE-SU-2020:0207-1 |
Advisories 7
- SUSE-SU-2020:0369-1 Security update for wicked SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11511-1 wicked-0.6.66-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0207-1 Security update for wicked SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0358-1 Security update for wicked SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0370-1 Security update for wicked SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0351-1 Security update for wicked SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0347-1 Security update for wicked SUSE / openSUSE Security Updates · Feb 4, 2026