Description

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

openvswitch: Fix unsafe attribute parsing in output_userspace()

This patch replaces the manual Netlink attribute iteration in
output_userspace() with nla_for_each_nested(), which ensures that only
well-formed attributes are processed.

Classification

CVE ID: CVE-2025-37998

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 10.0% (scored less or equal to compared to others)

EPSS Date: 2025-06-09 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-37998
https://git.kernel.org/stable/c/47f7f00cf2fa3137d5c0416ef1a71bdf77901395
https://git.kernel.org/stable/c/bca8df998cce1fead8cbc69144862eadc2e34c87
https://git.kernel.org/stable/c/0236742bd959332181c1fcc41a05b7b709180501
https://git.kernel.org/stable/c/ec334aaab74705cc515205e1da3cb369fdfd93cd
https://git.kernel.org/stable/c/4fa672cbce9c86c3efb8621df1ae580d47813430
https://git.kernel.org/stable/c/6beb6835c1fbb3f676aebb51a5fee6b77fed9308

Timeline