PT-2026-36087 · Linux+1 · Linux Kernel+1
CVE-2026-31692
·
Published
2026-04-30
·
Updated
2026-08-30
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The
rtnl newlink() function lacks a CAP NET ADMIN capability check on the peer network namespace during the creation of paired devices such as veth, vxcan, and netkit. This allows an unprivileged user with a user namespace to create interfaces in arbitrary network namespaces, including init net.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
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Related Identifiers
Affected Products
Linux Kernel
Rocky Linux