CVE-2022-49917 Information

Description

In the Linux kernel the following vulnerability has been resolved:

ipvs: fix WARNING in ip_vs_app_net_cleanup()

During the initialization of ip_vs_app_net_init() if file ip_vs_app fails to be created the initialization is successful by default. Therefore the ip_vs_app file doesn’t be found during the remove in ip_vs_app_net_cleanup(). It will cause WRNING.

The following is the stack information: name ‘ip_vs_app’ WARNING: CPU: 1 PID: 9 at fs/proc/generic.c:712 remove_proc_entry+0x389/0x460 Modules linked in: Workqueue: netns cleanup_net RIP: 0010:remove_proc_entry+0x389/0x460 Call Trace: ops_exit_list+0x125/0x170 cleanup_net+0x4ea/0xb00 process_one_work+0x9bf/0x1710 worker_thread+0x665/0x1080 kthread+0x2e4/0x3a0 ret_from_fork+0x1f/0x30

Reference

https://git.kernel.org/stable/c/06d7596d18725f1a93cf817662d36050e5afb989 https://git.kernel.org/stable/c/2c8d81bdb2684d53d6cedad7410ba4cf9090e343 https://git.kernel.org/stable/c/5663ed63adb9619c98ab7479aa4606fa9b7a548c https://git.kernel.org/stable/c/8457a00c981fe1a799ce34123908856b0f5973b8 https://git.kernel.org/stable/c/97f872b00937f2689bff2dab4ad9ed259482840f https://git.kernel.org/stable/c/adc76740ccd52e4a1d910767cd1223e134a7078b