CVE-2026-64546 | Linux Kernel up to 7.1.4 EDID Parsing drm_edid.c drm_parse_tiled_block num_bytes/topology_id out-of-bounds (WID-SEC-2026-2536)

A vulnerability labeled as problematic has been found in Linux Kernel up to 7.1.4. The impacted element is the function drm_parse_tiled_block of the file drivers/gpu/drm/drm_edid.c of the component EDID Parsing. The manipulation of the argument num_bytes/topology_id results in out-of-bounds read. This vulnerability is known as CVE-2026-64546. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.