CVE-2022-49903

ipv6: fix WARNING in ip6_route_net_exit_late()

State: Published
Severity: Not scored
Published: May 1, 2025
Updated: May 11, 2026
Reserved: May 1, 2025

Description

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>

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	cdb1876192dbe680b3ac955717fdf7f863c1762d to before 83fbf246ced54dadd7b9adc2a16efeff30ba944dAffected cdb1876192dbe680b3ac955717fdf7f863c1762d to before 381453770f731f0f43616a1cd4c759b7807a1517Affected cdb1876192dbe680b3ac955717fdf7f863c1762d to before 5dbb47ee89762da433cd8458788d7640c85f1a07Affected cdb1876192dbe680b3ac955717fdf7f863c1762d to before 0ed71af4d017d2bd2cbb8f7254f613a4914def26Affected cdb1876192dbe680b3ac955717fdf7f863c1762d to before 080589287127838046077904f34d5054ea0f895cAffected cdb1876192dbe680b3ac955717fdf7f863c1762d to before 768b3c745fe5789f2430bdab02f35a9ad1148d97Affected
LinuxLinux	2.6.26Affected before 2.6.26Not affected 4.19.265 through 4.19.Not affected 5.4.224 through 5.4.Not affected 5.10.154 through 5.10.Not affected 5.15.78 through 5.15.Not affected 6.0.8 through 6.0.*Not affected 6.1 and laterNot affected

Product

Versions

LinuxLinux

cdb1876192dbe680b3ac955717fdf7f863c1762d to before 83fbf246ced54dadd7b9adc2a16efeff30ba944dAffected
cdb1876192dbe680b3ac955717fdf7f863c1762d to before 381453770f731f0f43616a1cd4c759b7807a1517Affected
cdb1876192dbe680b3ac955717fdf7f863c1762d to before 5dbb47ee89762da433cd8458788d7640c85f1a07Affected
cdb1876192dbe680b3ac955717fdf7f863c1762d to before 0ed71af4d017d2bd2cbb8f7254f613a4914def26Affected
cdb1876192dbe680b3ac955717fdf7f863c1762d to before 080589287127838046077904f34d5054ea0f895cAffected
cdb1876192dbe680b3ac955717fdf7f863c1762d to before 768b3c745fe5789f2430bdab02f35a9ad1148d97Affected

LinuxLinux

2.6.26Affected
before 2.6.26Not affected
4.19.265 through 4.19.*Not affected
5.4.224 through 5.4.*Not affected
5.10.154 through 5.10.*Not affected
5.15.78 through 5.15.*Not affected
6.0.8 through 6.0.*Not affected
6.1 and laterNot affected

References

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