CVE-2026-53137

A flaw was found in the Linux kernel's drm/amd/display component. A malicious HDMI repeater could exploit this vulnerability during HDCP 2.x repeater authentication by sending a message size larger than the allocated buffer. This could lead to an out-of-bounds write, potentially causing a denial ...

CVE-2026-53137

CVE-2026-53137 concerns the Linux kernel drm/amd display path where, during HDCP2.x repeater authentication over HDMI, the driver reads the sink RxStatus and uses a 10-bit message size field (max 1023) to set the read length for the ReceiverID list. The length was not clamped to the destination b...