CVE-2022-49917

Summary

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: <TASK> 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 </TASK>

Affected Software

VendorProductVersion RangeStatus
LinuxLinux457c4cbc5a3dde259d2a1f15d5f9785290397267 < adc76740ccd52e4a1d910767cd1223e134a7078baffected
LinuxLinux457c4cbc5a3dde259d2a1f15d5f9785290397267 < 8457a00c981fe1a799ce34123908856b0f5973b8affected
LinuxLinux457c4cbc5a3dde259d2a1f15d5f9785290397267 < 2c8d81bdb2684d53d6cedad7410ba4cf9090e343affected
LinuxLinux457c4cbc5a3dde259d2a1f15d5f9785290397267 < 06d7596d18725f1a93cf817662d36050e5afb989affected
LinuxLinux457c4cbc5a3dde259d2a1f15d5f9785290397267 < 97f872b00937f2689bff2dab4ad9ed259482840faffected
LinuxLinux457c4cbc5a3dde259d2a1f15d5f9785290397267 < 5663ed63adb9619c98ab7479aa4606fa9b7a548caffected
LinuxLinux2.6.24affected
LinuxLinux0 < 2.6.24unaffected
LinuxLinux4.19.265 <= 4.19.*unaffected
LinuxLinux5.4.224 <= 5.4.*unaffected
LinuxLinux5.10.154 <= 5.10.*unaffected
LinuxLinux5.15.78 <= 5.15.*unaffected
LinuxLinux6.0.8 <= 6.0.*unaffected
LinuxLinux6.1 <= *unaffected

Weaknesses

References