CVE-2025-39856
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix null pointer dereference for ndev In the TX completion packet stage of TI SoCs with CPSW2G instance, which has single external ethernet port, ndev is accessed without being initialized if no TX packets have been processed. It results into null pointer dereference, causing kernel to crash. Fix this by having a check on the number of TX packets which have been processed.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedSep 19, 2025
First seenSep 19, 2025
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel6.16.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.15 ≤ v < 6.16.6, 6.17 | 6.16.6 |
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