CVE-2025-37789

HIGH

Linux Kernel - Denial of Service via Nested Key Length Validation in Open vSwitch Set Action

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.8
EPSS 0.0007
EPSS Percentile 20.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (28)
debian/debian_linux 11.0
linux/Kernel 3.3.0 - 5.4.293linux
linux/Kernel 5.11.0 - 5.15.181linux
linux/Kernel 5.16.0 - 6.1.135linux
linux/Kernel 5.5.0 - 5.10.237linux
linux/Kernel 6.13.0 - 6.14.4linux
linux/Kernel 6.2.0 - 6.6.88linux
linux/Kernel 6.7.0 - 6.12.25linux
Linux/Linux < 3.3
Linux/Linux 3.3
... and 18 more
Published May 01, 2025
Tracked Since Feb 18, 2026