CVE-2026-56952

In wacom_hid_set_device_mode of wacom_sys.c, there is a possible out-of-bounds write due to a missing bounds check. This could lead to physical escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

In kdn_set_sysregs_prot of hwcrypto-kdn.c, there is a possible information disclosure due to a logic error in the code. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

In is_pd_allowed of gem_msg.c, there is a possible permission bypass due to a missing permission check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.