CVE-2025-68370

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> coresight: tmc: add the handle of the event to the path<br /> <br /> The handle is essential for retrieving the AUX_EVENT of each CPU and is<br /> required in perf mode. It has been added to the coresight_path so that<br /> dependent devices can access it from the path when needed.<br /> <br /> The existing bug can be reproduced with:<br /> perf record -e cs_etm//k -C 0-9 dd if=/dev/zero of=/dev/null<br /> <br /> Showing an oops as follows:<br /> Unable to handle kernel paging request at virtual address 000f6e84934ed19e<br /> <br /> Call trace:<br /> tmc_etr_get_buffer+0x30/0x80 [coresight_tmc] (P)<br /> catu_enable_hw+0xbc/0x3d0 [coresight_catu]<br /> catu_enable+0x70/0xe0 [coresight_catu]<br /> coresight_enable_path+0xb0/0x258 [coresight]