{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-21708",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-21708"
  ],
  "published": "2025-02-27T02:06:37Z",
  "summary": "net: usb: rtl8150: enable basic endpoint checking",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: rtl8150: enable basic endpoint checking\n\nSyzkaller reports [1] encountering a common issue of utilizing a wrong\nusb endpoint type during URB submitting stage. This, in turn, triggers\na warning shown below.\n\nFor now, enable simple endpoint checking (specifically, bulk and\ninterrupt eps, testing control one is not essential) to mitigate\nthe issue with a view to do other related cosmetic changes later,\nif they are necessary.\n\n[1] Syzkaller report:\nusb 1-1: BOGUS urb xfer, pipe 3 != type 1\nWARNING: CPU: 1 PID: 2586 at drivers/usb/core/urb.c:503 usb_submit_urb+0xe4b/0x1730 driv>\nModules linked in:\nCPU: 1 UID: 0 PID: 2586 Comm: dhcpcd Not tainted 6.11.0-rc4-syzkaller-00069-gfc88bb11617>\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\nRIP: 0010:usb_submit_urb+0xe4b/0x1730 drivers/usb/core/urb.c:503\nCode: 84 3c 02 00 00 e8 05 e4 fc fc 4c 89 ef e8 fd 25 d7 fe 45 89 e0 89 e9 4c 89 f2 48 8>\nRSP: 0018:ffffc9000441f740 EFLAGS: 00010282\nRAX: 0000000000000000 RBX: ffff888112487a00 RCX: ffffffff811a99a9\nRDX: ffff88810df6ba80 RSI: ffffffff811a99b6 RDI: 0000000000000001\nRBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001\nR13: ffff8881023bf0a8 R14: ffff888112452a20 R15: ffff888112487a7c\nFS:  00007fc04eea5740(0000) GS:ffff8881f6300000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f0a1de9f870 CR3: 000000010dbd0000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n rtl8150_open+0x300/0xe30 drivers/net/usb/rtl8150.c:733\n __dev_open+0x2d4/0x4e0 net/core/dev.c:1474\n __dev_change_flags+0x561/0x720 net/core/dev.c:8838\n dev_change_flags+0x8f/0x160 net/core/dev.c:8910\n devinet_ioctl+0x127a/0x1f10 net/ipv4/devinet.c:1177\n inet_ioctl+0x3aa/0x3f0 net/ipv4/af_inet.c:1003\n sock_do_ioctl+0x116/0x280 net/socket.c:1222\n sock_ioctl+0x22e/0x6c0 net/socket.c:1341\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:907 [inline]\n __se_sys_ioctl fs/ioctl.c:893 [inline]\n __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fc04ef73d49\n...\n\nThis change has not been tested on real hardware.",
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-21708"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/431be4f78220d34ce21d67a6b843b7ca81bd82e9"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8f78a2b9ed4cb1e62c60d0a8905d9a37bc18c20d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/d42168f109f96b5d18812a789086015a435ee667"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e10b392a7495a5dbbb25247e2c17d380d9899263"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3c706829ceb6e347bd4ddfd17f1d3048acd69da2"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f395b7efcee8df54309eb2d4a624ef13f5d88b66"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c843515ad2be7349dd6b60e5fd299d0da0b8458b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/90b7f2961798793275b4844348619b622f983907"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}