ghsa-86gw-29cv-399p
Vulnerability from github
Published
2024-11-05 18:32
Modified
2024-11-08 15:31
Details

In the Linux kernel, the following vulnerability has been resolved:

net/mlx5: Unregister notifier on eswitch init failure

It otherwise remains registered and a subsequent attempt at eswitch enabling might trigger warnings of the sort:

[ 682.589148] ------------[ cut here ]------------ [ 682.590204] notifier callback eswitch_vport_event [mlx5_core] already registered [ 682.590256] WARNING: CPU: 13 PID: 2660 at kernel/notifier.c:31 notifier_chain_register+0x3e/0x90 [...snipped] [ 682.610052] Call Trace: [ 682.610369] [ 682.610663] ? __warn+0x7c/0x110 [ 682.611050] ? notifier_chain_register+0x3e/0x90 [ 682.611556] ? report_bug+0x148/0x170 [ 682.611977] ? handle_bug+0x36/0x70 [ 682.612384] ? exc_invalid_op+0x13/0x60 [ 682.612817] ? asm_exc_invalid_op+0x16/0x20 [ 682.613284] ? notifier_chain_register+0x3e/0x90 [ 682.613789] atomic_notifier_chain_register+0x25/0x40 [ 682.614322] mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core] [ 682.614965] mlx5_eswitch_enable+0xc9/0x100 [mlx5_core] [ 682.615551] mlx5_device_enable_sriov+0x25/0x340 [mlx5_core] [ 682.616170] mlx5_core_sriov_configure+0x50/0x170 [mlx5_core] [ 682.616789] sriov_numvfs_store+0xb0/0x1b0 [ 682.617248] kernfs_fop_write_iter+0x117/0x1a0 [ 682.617734] vfs_write+0x231/0x3f0 [ 682.618138] ksys_write+0x63/0xe0 [ 682.618536] do_syscall_64+0x4c/0x100 [ 682.618958] entry_SYSCALL_64_after_hwframe+0x4b/0x53

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2024-50136"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-11-05T18:15:16Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Unregister notifier on eswitch init failure\n\nIt otherwise remains registered and a subsequent attempt at eswitch\nenabling might trigger warnings of the sort:\n\n[  682.589148] ------------[ cut here ]------------\n[  682.590204] notifier callback eswitch_vport_event [mlx5_core] already registered\n[  682.590256] WARNING: CPU: 13 PID: 2660 at kernel/notifier.c:31 notifier_chain_register+0x3e/0x90\n[...snipped]\n[  682.610052] Call Trace:\n[  682.610369]  \u003cTASK\u003e\n[  682.610663]  ? __warn+0x7c/0x110\n[  682.611050]  ? notifier_chain_register+0x3e/0x90\n[  682.611556]  ? report_bug+0x148/0x170\n[  682.611977]  ? handle_bug+0x36/0x70\n[  682.612384]  ? exc_invalid_op+0x13/0x60\n[  682.612817]  ? asm_exc_invalid_op+0x16/0x20\n[  682.613284]  ? notifier_chain_register+0x3e/0x90\n[  682.613789]  atomic_notifier_chain_register+0x25/0x40\n[  682.614322]  mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core]\n[  682.614965]  mlx5_eswitch_enable+0xc9/0x100 [mlx5_core]\n[  682.615551]  mlx5_device_enable_sriov+0x25/0x340 [mlx5_core]\n[  682.616170]  mlx5_core_sriov_configure+0x50/0x170 [mlx5_core]\n[  682.616789]  sriov_numvfs_store+0xb0/0x1b0\n[  682.617248]  kernfs_fop_write_iter+0x117/0x1a0\n[  682.617734]  vfs_write+0x231/0x3f0\n[  682.618138]  ksys_write+0x63/0xe0\n[  682.618536]  do_syscall_64+0x4c/0x100\n[  682.618958]  entry_SYSCALL_64_after_hwframe+0x4b/0x53",
  "id": "GHSA-86gw-29cv-399p",
  "modified": "2024-11-08T15:31:12Z",
  "published": "2024-11-05T18:32:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-50136"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1da9cfd6c41c2e6bbe624d0568644e1521c33e12"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/599147722c5778c96292e2fbff4103abbdb45b1f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9f2ccb6f3888bec45c00121ee43e4e72423b12c1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e58fb7ddbab6635191c26dea1af26b91cce00866"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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