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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-49903

ipv6: fix WARNING in ip6_route_net_exit_late()

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>

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • cdb1876192dbe680b3ac955717fdf7f863c1762d to < 83fbf246ced54dadd7b9adc2a16efeff30ba944daffected
  • cdb1876192dbe680b3ac955717fdf7f863c1762d to < 381453770f731f0f43616a1cd4c759b7807a1517affected
  • cdb1876192dbe680b3ac955717fdf7f863c1762d to < 5dbb47ee89762da433cd8458788d7640c85f1a07affected
  • cdb1876192dbe680b3ac955717fdf7f863c1762d to < 0ed71af4d017d2bd2cbb8f7254f613a4914def26affected
  • cdb1876192dbe680b3ac955717fdf7f863c1762d to < 080589287127838046077904f34d5054ea0f895caffected
  • cdb1876192dbe680b3ac955717fdf7f863c1762d to < 768b3c745fe5789f2430bdab02f35a9ad1148d97affected

Linux Linux

Default version status: affected

  • 2.6.26affected
  • 0 to < 2.6.26unaffected
  • 4.19.265 to ≤ 4.19.*unaffected
  • 5.4.224 to ≤ 5.4.*unaffected
  • 5.10.154 to ≤ 5.10.*unaffected
  • 5.15.78 to ≤ 5.15.*unaffected
  • 6.0.8 to ≤ 6.0.*unaffected
  • 6.1 to ≤ *unaffected

References