CVE-2026-23020
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: net: 3com: 3c59x: fix possible null dereference in vortex_probe1() pdev can be null and free_ring: can be called in 1297 with a null pdev.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJan 31, 2026
First seenJan 31, 2026
How to fix
Update
- linux linux_kernel4.17, 5.10.248, 5.15.198, 6.1.161, 6.6.121, 6.12.66, 6.18.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.16.12 ≤ v < 4.17, 4.17.1 ≤ v < 5.10.248, 5.11 ≤ v < 5.15.198, 5.16 ≤ v < 6.1.161, 6.2 ≤ v < 6.6.121, 6.7 ≤ v < 6.12.66, 6.13 ≤ v < 6.18.6, 4.17, 6.19 | 4.17, 5.10.248, 5.15.198, 6.1.161, 6.6.121, 6.12.66, 6.18.6 |
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