CVE-2025-38526
HIGH severity · CVSS 7.5 · CWE-476
7.5CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: ice: add NULL check in eswitch lag check The function ice_lag_is_switchdev_running() is being called from outside of the LAG event handler code. This results in the lag->upper_netdev being NULL sometimes. To avoid a NULL-pointer dereference, there needs to be a check before it is dereferenced.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/245917d3c5ed7c6ae720302b64eac5c6f0c85177 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/245917d3c5ed7c6ae720302b64eac5c6f0c85177Patch
- https://git.kernel.org/stable/c/27591d926191e42b2332e4bad3bcd3a49def393bPatch
- https://git.kernel.org/stable/c/3ce58b01ada408b372f15b7c992ed0519840e3cfPatch
- https://git.kernel.org/stable/c/5a5d64f0eec82076b2c09fee2195d640cfbe3379Patch