CVE-2023-52670

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