{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2023-53644",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2023-53644"
  ],
  "published": "2025-10-07T15:20:13Z",
  "summary": "media: radio-shark: Add endpoint checks",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: radio-shark: Add endpoint checks\n\nThe syzbot fuzzer was able to provoke a WARNING from the radio-shark2\ndriver:\n\n------------[ cut here ]------------\nusb 1-1: BOGUS urb xfer, pipe 1 != type 3\nWARNING: CPU: 0 PID: 3271 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed2/0x1880 drivers/usb/core/urb.c:504\nModules linked in:\nCPU: 0 PID: 3271 Comm: kworker/0:3 Not tainted 6.1.0-rc4-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022\nWorkqueue: usb_hub_wq hub_event\nRIP: 0010:usb_submit_urb+0xed2/0x1880 drivers/usb/core/urb.c:504\nCode: 7c 24 18 e8 00 36 ea fb 48 8b 7c 24 18 e8 36 1c 02 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 b6 90 8a e8 9a 29 b8 03 <0f> 0b e9 58 f8 ff ff e8 d2 35 ea fb 48 81 c5 c0 05 00 00 e9 84 f7\nRSP: 0018:ffffc90003876dd0 EFLAGS: 00010282\nRAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000\nRDX: ffff8880750b0040 RSI: ffffffff816152b8 RDI: fffff5200070edac\nRBP: ffff8880172d81e0 R08: 0000000000000005 R09: 0000000000000000\nR10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000001\nR13: ffff8880285c5040 R14: 0000000000000002 R15: ffff888017158200\nFS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007ffe03235b90 CR3: 000000000bc8e000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n usb_start_wait_urb+0x101/0x4b0 drivers/usb/core/message.c:58\n usb_bulk_msg+0x226/0x550 drivers/usb/core/message.c:387\n shark_write_reg+0x1ff/0x2e0 drivers/media/radio/radio-shark2.c:88\n...\n\nThe problem was caused by the fact that the driver does not check\nwhether the endpoints it uses are actually present and have the\nappropriate types.  This can be fixed by adding a simple check of\nthese endpoints (and similarly for the radio-shark driver).",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.21-1+rpt1"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v6",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v7",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v7l",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v8",
            "binary_version": "1:6.1.21-1+rpt1"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.21-1+rpt1": {
            "linux_commit": "0afb5e98488aed7017b9bf321b575d0177feb7ed",
            "upstream_version": "6.1.21",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.31"
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-53644"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3ed6a312ac1e7278f92b1b3d95377b335ae21e89"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/afd72825b4fcb7ae4015e1c93b054f4c37a25684"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/2b580d0f03c4fc00013cd08f9ed96b87a08fd0d9"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8a30dce9d7f70f8438956f6a01142b926c301334"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b1bde4b4360c3d8a35504443efabd3243b802805"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/53764a17f5d8f0d00b13297d06b5e65fa844288b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4c3057a1927fa0b9ed8948b6f3b56b4ff9fa63d3"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/76e31045ba030e94e72105c01b2e98f543d175ac"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}