CVE-2025-52889
Incus vulnerable to DoS through antispoofing nftables firewall rule bypass on bridge networks with ACLs
Severity Score
3.4
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track*
*SSVC
Descriptions
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.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track*
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2025-06-20 CVE Reserved
- 2025-06-25 CVE Published
- 2025-06-25 CVE Updated
- 2025-07-01 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
References (3)
URL | Tag | Source |
---|---|---|
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 | X_refsource_confirm |
URL | Date | SRC |
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URL | Date | SRC |
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URL | Date | SRC |
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Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Lxc Search vendor "Lxc" | Incus Search vendor "Lxc" for product "Incus" | >= 6.12 <= 6.13 Search vendor "Lxc" for product "Incus" and version " >= 6.12 <= 6.13" | en |
Affected
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