CVE-2026-68220

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> media: nxp: imx8-isi: Add missing v4l2_subdev_cleanup() in crossbar and pipe<br /> <br /> Both mxc_isi_crossbar_init() and mxc_isi_pipe_init() call<br /> v4l2_subdev_init_finalize() which allocates the subdev active state,<br /> but neither mxc_isi_crossbar_cleanup() nor mxc_isi_pipe_cleanup()<br /> calls v4l2_subdev_cleanup() to free it.<br /> <br /> This causes a memory leak on every rmmod, reported by kmemleak:<br /> <br /> unreferenced object 0xffff0000d06fc800 (size 192):<br /> comm "(udev-worker)", pid 254, jiffies 4294913455<br /> backtrace (crc 36eeae58):<br /> kmemleak_alloc+0x34/0x40<br /> __kvmalloc_node_noprof+0x5f8/0x7d8<br /> __v4l2_subdev_state_alloc+0x1fc/0x30c<br /> __v4l2_subdev_init_finalize+0x178/0x368<br /> <br /> Add the missing v4l2_subdev_cleanup() calls before media_entity_cleanup()<br /> in both crossbar and pipe cleanup paths.