CVE-2025-37789
High
net: openvswitch: fix nested key length validation in the set() action
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.
Exploit probability
0.2%
Published
May 1, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2025-37789
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/03d7262dd53e8c404da35cc81aaa887fd901f76b
- https://git.kernel.org/stable/c/1489c195c8eecd262aa6712761ba5288203e28ec
- https://git.kernel.org/stable/c/54c6957d1123a2032099b9eab51c314800f677ce
- https://git.kernel.org/stable/c/65d91192aa66f05710cfddf6a14b5a25ee554dba
- https://git.kernel.org/stable/c/7fcaec0b2ab8fa5fbf0b45e5512364a168f445bd
- https://git.kernel.org/stable/c/824a7c2df5127b2402b68a21a265d413e78dcad7
- https://git.kernel.org/stable/c/a27526e6b48eee9e2d82efff502c4f272f1a91d4
- https://git.kernel.org/stable/c/be80768d4f3b6fd13f421451cc3fee8778aba8bc
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37789.json
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-37789