ghsa-7m6j-5mcx-6jmq
Vulnerability from github
Published
2025-05-01 15:31
Modified
2025-05-01 15:31
Details

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: 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

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49903"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T15:16:15Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fix WARNING in ip6_route_net_exit_late()\n\nDuring the initialization of ip6_route_net_init_late(), if file\nipv6_route or rt6_stats fails to be created, the initialization is\nsuccessful by default. Therefore, the ipv6_route or rt6_stats file\ndoesn\u0027t be found during the remove in ip6_route_net_exit_late(). It\nwill cause WRNING.\n\nThe following is the stack information:\nname \u0027rt6_stats\u0027\nWARNING: CPU: 0 PID: 9 at fs/proc/generic.c:712 remove_proc_entry+0x389/0x460\nModules linked in:\nWorkqueue: netns cleanup_net\nRIP: 0010:remove_proc_entry+0x389/0x460\nPKRU: 55555554\nCall Trace:\n\u003cTASK\u003e\nops_exit_list+0xb0/0x170\ncleanup_net+0x4ea/0xb00\nprocess_one_work+0x9bf/0x1710\nworker_thread+0x665/0x1080\nkthread+0x2e4/0x3a0\nret_from_fork+0x1f/0x30\n\u003c/TASK\u003e",
  "id": "GHSA-7m6j-5mcx-6jmq",
  "modified": "2025-05-01T15:31:52Z",
  "published": "2025-05-01T15:31:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49903"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/080589287127838046077904f34d5054ea0f895c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0ed71af4d017d2bd2cbb8f7254f613a4914def26"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/381453770f731f0f43616a1cd4c759b7807a1517"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5dbb47ee89762da433cd8458788d7640c85f1a07"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/768b3c745fe5789f2430bdab02f35a9ad1148d97"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/83fbf246ced54dadd7b9adc2a16efeff30ba944d"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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