CVE-2025-37789

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

HIGH

7.8

CVSS Score

Published: May 1, 2025 at 01:07 PM UTC

Updated: August 5, 2026 at 12:44 PM UTC

2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity

HIGH7.8

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux · Debiandrupal

95%

11.0

Linux Kernel · Linux

95%

3.3 ≤ v < 5.10.2373.3 ≤ v < 5.15.1813.3 ≤ v < 5.4.2933.3 ≤ v < 6.1.1353.3 ≤ v < 6.12.253.3 ≤ v < 6.14.43.3 ≤ v < 6.153.3 ≤ v < 6.6.885.11 ≤ v < 5.15.1815.16 ≤ v < 6.1.1355.5 ≤ v < 5.10.2376.13 ≤ v < 6.14.46.2 ≤ v < 6.6.886.7 ≤ v < 6.12.256.15 rc1 6.15 rc2ccb1352e76cff0524e7ccb2074826a092dd13016

Vendor states this is fixed in 03d7262dd53e8c404da35cc81aaa887fd901f76b (fixed)

Vendor states this is fixed in 1489c195c8eecd262aa6712761ba5288203e28ec (fixed)

Vendor states this is fixed in 54c6957d1123a2032099b9eab51c314800f677ce (fixed)

Vendor states this is fixed in 65d91192aa66f05710cfddf6a14b5a25ee554dba (fixed)

Vendor states this is fixed in 7fcaec0b2ab8fa5fbf0b45e5512364a168f445bd (fixed)

Vendor states this is fixed in 824a7c2df5127b2402b68a21a265d413e78dcad7 (fixed)

Vendor states this is fixed in a27526e6b48eee9e2d82efff502c4f272f1a91d4 (fixed)

Vendor states this is fixed in be80768d4f3b6fd13f421451cc3fee8778aba8bc (fixed)

Vendor states this is fixed in 3.3 (unaffected)

Vendor states this is fixed in 5.10.237 (unaffected)

Vendor states this is fixed in 5.15.181 (unaffected)

Vendor states this is fixed in 5.4.293 (unaffected)

Vendor states this is fixed in 6.1.135 (unaffected)

Vendor states this is fixed in 6.12.25 (unaffected)

Vendor states this is fixed in 6.14.4 (unaffected)

Vendor states this is fixed in 6.15 (unaffected)

Vendor states this is fixed in 6.6.88 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references