CVE-2025-37789

HighCVSS 7.8/10Last modified Jul 30, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

net: openvswitch: fix nested key length validation in the set() action

It's not safe to access nla_len(ovs_key) if the data is smaller than the netlink header. Check that the attribute is OK first.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
LinuxLinux>= ccb1352e76cff0524e7ccb2074826a092dd13016, < 54c6957d1123a2032099b9eab51c314800f677ce; >= ccb1352e76cff0524e7ccb2074826a092dd13016, < 7fcaec0b2ab8fa5fbf0b45e5512364a168f445bd; >= ccb1352e76cff0524e7ccb2074826a092dd13016, < a27526e6b48eee9e2d82efff502c4f272f1a91d4; >= ccb1352e76cff0524e7ccb2074826a092dd13016, < 1489c195c8eecd262aa6712761ba5288203e28ec; >= ccb1352e76cff0524e7ccb2074826a092dd13016, < 824a7c2df5127b2402b68a21a265d413e78dcad7; >= ccb1352e76cff0524e7ccb2074826a092dd13016, < be80768d4f3b6fd13f421451cc3fee8778aba8bc; >= ccb1352e76cff0524e7ccb2074826a092dd13016, < 03d7262dd53e8c404da35cc81aaa887fd901f76b; >= ccb1352e76cff0524e7ccb2074826a092dd13016, < 65d91192aa66f05710cfddf6a14b5a25ee554dba
LinuxLinux3.3

References

Timeline

Published
May 1, 2025
Last modified
Jul 30, 2026
NVD status
Modified

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CVE-2025-37789: High severity, CVSS 7.8 | Vulnix