LOW
Incus vulnerable to DoS through antispoofing nftables firewall rule bypass on bridge networks with ACLs
Published Jun 25, 2025
3.4
LOWCVSS 3.1
EPSS 0.25%
Description
Incus is a system container and virtual machine manager. When using an ACL on a device connected to a bridge, Incus version 6.12 and 6.13 generates nftables rules for local services (DHCP, DNS...) that partially bypass security options `security.mac_filtering`, `security.ipv4_filtering` and `security.ipv6_filtering`. This can lead to DHCP pool exhaustion and opens the door for other attacks. A patch is available at commit 2516fb19ad8428454cb4edfe70c0a5f0dc1da214.
Affected products
-
- Version >= 6.12, <= 6.13StatusaffectedConstraints-
- Version
No data.
No data.
No Red Hat product state for this CVE.
github.com/lxc/incus
Go
Introduced 0 Fixed not fixedgithub.com/lxc/incus/v6
Go
Introduced 6.12.0 Fixed 6.14.0
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Go | github.com/lxc/incus | 0 | not fixed |
| Go | github.com/lxc/incus/v6 | 6.12.0 | 6.14.0 |
Remediation
No remediation recorded yet.
Weaknesses (1)
References (5)
- https://github.com/advisories/GHSA-9q7c-qmhm-jv86 Advisory
- https://github.com/lxc/incus/commit/2516fb19ad8428454cb4edfe70c0a5f0dc1da214 x_refsource_MISC
- https://github.com/lxc/incus/commit/a7c33301738aede3c035063e973b1d885d9bac7c x_refsource_MISC
- https://github.com/lxc/incus/security/advisories/GHSA-9q7c-qmhm-jv86 exploitx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2025-52889
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-9q7c-qmhm-jv86 | Advisory | |
| https://github.com/lxc/incus/commit/2516fb19ad8428454cb4edfe70c0a5f0dc1da214 | x_refsource_MISC | |
| https://github.com/lxc/incus/commit/a7c33301738aede3c035063e973b1d885d9bac7c | x_refsource_MISC | |
| https://github.com/lxc/incus/security/advisories/GHSA-9q7c-qmhm-jv86 | exploitx_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2025-52889 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner GitHub_M
Published Jun 25, 2025
Updated Jun 25, 2025
Reserved Jun 20, 2025
Link CVE-2025-52889
CISA Vulnrichment
GHSA-9Q7C-QMHM-JV86 Updated Jun 25, 2025