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

In CVE-2024-35924, the Linux kernel fixes a UCSI (usb: typec) read-size overflow for legacy UCSI v1.2. The change truncates read size using the UCSI version to prevent overflowing MESSAGE_IN (size increased from 16 to 256 bytes between v1.2 and v2.0). The fix is described in the CVE entry and ups...