CVE-2023-52938: usb: typec: ucsi: Don't attempt to resume the ports before they exist

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-27 · updated 2026-06-17
Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Don't attempt to resume the ports before they exist This will fix null pointer dereference that was caused by the driver attempting to resume ports that were not yet registered.

Affected products

Linux kernel: from 6.0.15 before 6.1; from 6.1.1 before 6.1.11 — fixed in 6.1, 6.1.11

How to fix

Upgrade to a fixed version: Linux kernel 6.1, 6.1.11. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/f82060da749c611ed427523b6d1605d87338aac1
https://git.kernel.org/stable/c/fdd11d7136fd070b3a74d6d8799d9eac28a57fc5

Get alerted when CVE-2023-52938 or the next vulnerability affects your stack