CVE-2025-37789 – OpenvSwitch Netlink Attribute Length Validation Vulnerability

The following table lists the changes that have been made to the
CVE-2025-37789 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 01, 2025

    Action Type Old Value New Value
    Added 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.

    Added Reference https://git.kernel.org/stable/c/03d7262dd53e8c404da35cc81aaa887fd901f76b
    Added Reference https://git.kernel.org/stable/c/1489c195c8eecd262aa6712761ba5288203e28ec
    Added Reference https://git.kernel.org/stable/c/65d91192aa66f05710cfddf6a14b5a25ee554dba
    Added Reference https://git.kernel.org/stable/c/824a7c2df5127b2402b68a21a265d413e78dcad7
    Added Reference https://git.kernel.org/stable/c/be80768d4f3b6fd13f421451cc3fee8778aba8bc
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