CVE-2023-53442
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: ice: Block switchdev mode when ADQ is active and vice versa ADQ and switchdev are not supported simultaneously. Enabling both at the same time can result in nullptr dereference. To prevent this, check if ADQ is active when changing devlink mode to switchdev mode, and check if switchdev is active when enabling ADQ.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedSep 18, 2025
First seenSep 18, 2025
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel6.1.47, 6.4.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.16 ≤ v < 6.1.47, 6.2 ≤ v < 6.4.12, 6.5 | 6.1.47, 6.4.12 |
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