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CVE PROGRAM SOURCE RECORD3.4 Low

CVE-2025-52889

Incus vulnerable to DoS through antispoofing nftables firewall rule bypass on bridge networks with ACLs

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 statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

lxc incus

  • >= 6.12, <= 6.13affected

References