vulnerability
Alpine Linux: CVE-2025-52890: Incorrect Authorization
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:A/AC:L/Au:M/C:C/I:N/A:C) | Jun 25, 2025 | Dec 5, 2025 | Dec 5, 2025 |
Severity
7
CVSS
(AV:A/AC:L/Au:M/C:C/I:N/A:C)
Published
Jun 25, 2025
Added
Dec 5, 2025
Modified
Dec 5, 2025
Description
Incus is a system container and virtual machine manager. When using an ACL on a device connected to a bridge, Incus versions 6.12 and 6.13generates nftables rules that partially bypass security options `security.mac_filtering`, `security.ipv4_filtering` and `security.ipv6_filtering`. This can lead to ARP spoofing on the bridge and to fully spoof another VM/container on the same bridge. Commit 254dfd2483ab8de39b47c2258b7f1cf0759231c8 contains a patch for the issue.
Solution
alpine-linux-upgrade-incus-feature
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