In the Linux kernel, the following vulnerability has been resolved:
ipvs: fix WARNING in ipvsappnetcleanup()
During the initialization of ipvsappnetinit(), if file ipvsapp fails to be created, the initialization is successful by default. Therefore, the ipvsapp file doesn't be found during the remove in ipvsappnetcleanup(). It will cause WRNING.
The following is the stack information: name 'ipvsapp' WARNING: CPU: 1 PID: 9 at fs/proc/generic.c:712 removeprocentry+0x389/0x460 Modules linked in: Workqueue: netns cleanupnet RIP: 0010:removeprocentry+0x389/0x460 Call Trace: <TASK> opsexitlist+0x125/0x170 cleanupnet+0x4ea/0xb00 processonework+0x9bf/0x1710 workerthread+0x665/0x1080 kthread+0x2e4/0x3a0 retfrom_fork+0x1f/0x30 </TASK>