NULL pointer dereference in Linux
CVE-2025-38526
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.
EPSS: 0.002 (5.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions 776fe19953b0e0af00399e50fb3b205101d4b3c1, 6.6, 0
- Linux Linux_kernel — versions 6.6, 6.16
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-38526?
- CVE-2025-38526 is a high-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-08-16.
- How severe is CVE-2025-38526?
- High severity. CVSS v3 base score is 7.5 out of 10.