VDB
DEBIAN-CVE-2026-31679
DEBIAN-CVE-2026-31679
PUBLISHED
CVSS 7.099999904632568 HIGH
In the Linux kernel, the following vulnerability has been resolved: openvswitch: validate MPLS set/set_masked payload length validate_set() accepted OVS_KEY_ATTR_MPLS as variable-sized payload for SET/SET_MASKED actions. In action handling, OVS expects fixed-size MPLS key data (struct ovs_key_mpls). Use the already normalized key_len (masked case included) and reject non-matching MPLS action key sizes. Reject invalid MPLS action payload lengths early.
Risk Scores
CVSS v3.1
7.099999904632568
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | linux | |
| Debian:14 | linux | 6.17.2-1, 6.12.41-1, 6.12.48-1 |
| Debian:12 | linux | 6.1.153-1, 6.1.159-1, 6.1.162-1 |
| Debian:13 | linux | 0, 6.12.38-1, 6.12.41-1 |
| Debian:11 | linux-6.1 | 6.1.148-1, 6.1.153-1, 6.1.158-1 |
| Debian:11 | linux | 6.1.158-1, 6.1.159-1, 6.1.162-1 |
Timeline
- Apr 25, 2026 CVE Published
- May 2, 2026 CVE Updated