CVE-2022-50500

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> netdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed<br /> <br /> If some items in nsim_dev_resources_register() fail, memory leak will<br /> occur. The following is the memory leak information.<br /> <br /> unreferenced object 0xffff888074c02600 (size 128):<br /> comm "echo", pid 8159, jiffies 4294945184 (age 493.530s)<br /> hex dump (first 32 bytes):<br /> 40 47 ea 89 ff ff ff ff 01 00 00 00 00 00 00 00 @G..............<br /> ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................<br /> backtrace:<br /> [] kmalloc_trace+0x22/0x60<br /> [] devl_resource_register+0x144/0x4e0<br /> [] nsim_drv_probe+0x37a/0x1260<br /> [] really_probe+0x20b/0xb10<br /> [] __driver_probe_device+0x1b3/0x4a0<br /> [] driver_probe_device+0x49/0x140<br /> [] __device_attach_driver+0x18c/0x2a0<br /> [] bus_for_each_drv+0x151/0x1d0<br /> [] __device_attach+0x1c9/0x4e0<br /> [] bus_probe_device+0x1d5/0x280<br /> [] device_add+0xae0/0x1cb0<br /> [] new_device_store+0x3b6/0x5f0<br /> [] bus_attr_store+0x72/0xa0<br /> [] sysfs_kf_write+0x106/0x160<br /> [] kernfs_fop_write_iter+0x3a8/0x5a0<br /> [] vfs_write+0x8f0/0xc80