CVE-2024-35924: usb: typec: ucsi: Limit read size on v1.2

Description

In the Linux kernel, the following vulnerability has been resolved:

usb: typec: ucsi: Limit read size on v1.2

Between UCSI 1.2 and UCSI 2.0, the size of the MESSAGE_IN region was
increased from 16 to 256. In order to avoid overflowing reads for older
systems, add a mechanism to use the read UCSI version to truncate read
sizes on UCSI v1.2.

Classification

CVE ID: CVE-2024-35924

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 17.83% (scored less or equal to compared to others)

EPSS Date: 2025-02-04 (when was this score calculated)

References

https://git.kernel.org/stable/c/266f403ec47573046dee4bcebda82777ce702c40
https://git.kernel.org/stable/c/0defcaa09d3b21e8387829ee3a652c43fa91e13f
https://git.kernel.org/stable/c/b3db266fb031fba88c423d4bb8983a73a3db6527

Timeline