CVE-2023-52670

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> rpmsg: virtio: Free driver_override when rpmsg_remove()<br /> <br /> Free driver_override when rpmsg_remove(), otherwise<br /> the following memory leak will occur:<br /> <br /> unreferenced object 0xffff0000d55d7080 (size 128):<br /> comm "kworker/u8:2", pid 56, jiffies 4294893188 (age 214.272s)<br /> hex dump (first 32 bytes):<br /> 72 70 6d 73 67 5f 6e 73 00 00 00 00 00 00 00 00 rpmsg_ns........<br /> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................<br /> backtrace:<br /> [] __kmem_cache_alloc_node+0x1f8/0x320<br /> [] __kmalloc_node_track_caller+0x44/0x70<br /> [] kstrndup+0x4c/0x90<br /> [] driver_set_override+0xd0/0x164<br /> [] rpmsg_register_device_override+0x98/0x170<br /> [] rpmsg_ns_register_device+0x24/0x30<br /> [] rpmsg_probe+0x2e0/0x3ec<br /> [] virtio_dev_probe+0x1c0/0x280<br /> [] really_probe+0xbc/0x2dc<br /> [] __driver_probe_device+0x78/0xe0<br /> [] driver_probe_device+0xd8/0x160<br /> [] __device_attach_driver+0xb8/0x140<br /> [] bus_for_each_drv+0x7c/0xd4<br /> [] __device_attach+0x9c/0x19c<br /> [] device_initial_probe+0x14/0x20<br /> [] bus_probe_device+0xa0/0xac