CVE-2022-49903

CVE-2022-49903: vulnerability in Linux

ipv6: fix WARNING in ip6_route_net_exit_late()

Published · Updated

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.2%
exploitation probability
0.2%top 89% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved: ipv6: fix WARNING in ip6_route_net_exit_late() During the initialization of ip6_route_net_init_late(), if file ipv6_route or rt6_stats fails to be created, the initialization is successful by default. Therefore, the ipv6_route or rt6_stats file doesn't be found during the remove in ip6_route_net_exit_late(). It will cause WRNING. The following is the stack information: name 'rt6_stats' WARNING: CPU: 0 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 PKRU: 55555554 Call Trace: <TASK> ops_exit_list+0xb0/0x170 cleanup_net+0x4ea/0xb00 process_one_work+0x9bf/0x1710 worker_thread+0x665/0x1080 kthread+0x2e4/0x3a0 ret_from_fork+0x1f/0x30 </TASK>
Affected products
Linux · Linux
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References
https://git.kernel.org/stable/c/080589287127838046077904f34d5054ea0f895chttps://git.kernel.org/stable/c/0ed71af4d017d2bd2cbb8f7254f613a4914def26https://git.kernel.org/stable/c/381453770f731f0f43616a1cd4c759b7807a1517https://git.kernel.org/stable/c/5dbb47ee89762da433cd8458788d7640c85f1a07https://git.kernel.org/stable/c/768b3c745fe5789f2430bdab02f35a9ad1148d97https://git.kernel.org/stable/c/83fbf246ced54dadd7b9adc2a16efeff30ba944d