CVE-2025-37789

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

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.

N/A

CVSS

Severity:

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/54c6957d1123a2032099b9eab51c314800f677ce
https://git.kernel.org/stable/c/7fcaec0b2ab8fa5fbf0b45e5512364a168f445bd
https://git.kernel.org/stable/c/a27526e6b48eee9e2d82efff502c4f272f1a91d4
https://git.kernel.org/stable/c/1489c195c8eecd262aa6712761ba5288203e28ec
https://git.kernel.org/stable/c/824a7c2df5127b2402b68a21a265d413e78dcad7
https://git.kernel.org/stable/c/be80768d4f3b6fd13f421451cc3fee8778aba8bc
https://git.kernel.org/stable/c/03d7262dd53e8c404da35cc81aaa887fd901f76b
https://git.kernel.org/stable/c/65d91192aa66f05710cfddf6a14b5a25ee554dba

Frequently Asked Questions

What is the severity of CVE-2025-37789?: CVE-2025-37789 has not yet been assigned a CVSS score.
How to fix CVE-2025-37789?: To fix CVE-2025-37789, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-37789 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-37789 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-37789?: CVE-2025-37789 affects Linux Linux, Linux Linux.

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