{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-23035",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-23035"
  ],
  "published": "2026-01-31T11:52:25Z",
  "summary": "net/mlx5e: Pass netdev to mlx5e_destroy_netdev instead of priv",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Pass netdev to mlx5e_destroy_netdev instead of priv\n\nmlx5e_priv is an unstable structure that can be memset(0) if profile\nattaching fails.\n\nPass netdev to mlx5e_destroy_netdev() to guarantee it will work on a\nvalid netdev.\n\nOn mlx5e_remove: Check validity of priv->profile, before attempting\nto cleanup any resources that might be not there.\n\nThis fixes a kernel oops in mlx5e_remove when switchdev mode fails due\nto change profile failure.\n\n$ devlink dev eswitch set pci/0000:00:03.0 mode switchdev\nError: mlx5_core: Failed setting eswitch to offloads.\ndmesg:\nworkqueue: Failed to create a rescuer kthread for wq \"mlx5e\": -EINTR\nmlx5_core 0012:03:00.1: mlx5e_netdev_init_profile:6214:(pid 37199): mlx5e_priv_init failed, err=-12\nmlx5_core 0012:03:00.1 gpu3rdma1: mlx5e_netdev_change_profile: new profile init failed, -12\nworkqueue: Failed to create a rescuer kthread for wq \"mlx5e\": -EINTR\nmlx5_core 0012:03:00.1: mlx5e_netdev_init_profile:6214:(pid 37199): mlx5e_priv_init failed, err=-12\nmlx5_core 0012:03:00.1 gpu3rdma1: mlx5e_netdev_change_profile: failed to rollback to orig profile, -12\n\n$ devlink dev reload pci/0000:00:03.0 ==> oops\n\nBUG: kernel NULL pointer dereference, address: 0000000000000370\nPGD 0 P4D 0\nOops: Oops: 0000 [#1] SMP NOPTI\nCPU: 15 UID: 0 PID: 520 Comm: devlink Not tainted 6.18.0-rc5+ #115 PREEMPT(voluntary)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-2.fc40 04/01/2014\nRIP: 0010:mlx5e_dcbnl_dscp_app+0x23/0x100\nRSP: 0018:ffffc9000083f8b8 EFLAGS: 00010286\nRAX: ffff8881126fc380 RBX: ffff8881015ac400 RCX: ffffffff826ffc45\nRDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8881035109c0\nRBP: ffff8881035109c0 R08: ffff888101e3e838 R09: ffff888100264e10\nR10: ffffc9000083f898 R11: ffffc9000083f8a0 R12: ffff888101b921a0\nR13: ffff888101b921a0 R14: ffff8881015ac9a0 R15: ffff8881015ac400\nFS:  00007f789a3c8740(0000) GS:ffff88856aa59000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000370 CR3: 000000010b6c0001 CR4: 0000000000370ef0\nCall Trace:\n <TASK>\n mlx5e_remove+0x57/0x110\n device_release_driver_internal+0x19c/0x200\n bus_remove_device+0xc6/0x130\n device_del+0x160/0x3d0\n ? devl_param_driverinit_value_get+0x2d/0x90\n mlx5_detach_device+0x89/0xe0\n mlx5_unload_one_devl_locked+0x3a/0x70\n mlx5_devlink_reload_down+0xc8/0x220\n devlink_reload+0x7d/0x260\n devlink_nl_reload_doit+0x45b/0x5a0\n genl_family_rcv_msg_doit+0xe8/0x140",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": null,
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23035"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a7625bacaa8c8c2bfcde6dd6d1397bd63ad82b02"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/66a25f6b7c0bfd84e6d27b536f5d24116dbd52da"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4ef8512e1427111f7ba92b4a847d181ff0aeec42"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}