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

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Limit read size on v1.2 The Linux kernel CVE team has assigned CVE-2024-35924 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024051914-CVE-2024-35924-90f6@gregkh/T...

CVE-2024-35924

CVE-2024-35924 affects the Linux kernel USB Type-C UCSI driver (ucsi_read_message_in). Between UCSI 1.2 and 2.0, MESSAGE_IN size increased from 16 to 256, which could enable overflowing reads on older systems. The bug is mitigated by a mechanism that uses the UCSI version to truncate read sizes f...