{"cve":"CVE-2023-53644","nvd":{"published":"2025-10-07T16:15:47.770","modified":"2026-06-17T06:45:47.057","status":"Analyzed","description":"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).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/2b580d0f03c4fc00013cd08f9ed96b87a08fd0d9","https://git.kernel.org/stable/c/3ed6a312ac1e7278f92b1b3d95377b335ae21e89","https://git.kernel.org/stable/c/4c3057a1927fa0b9ed8948b6f3b56b4ff9fa63d3","https://git.kernel.org/stable/c/53764a17f5d8f0d00b13297d06b5e65fa844288b","https://git.kernel.org/stable/c/76e31045ba030e94e72105c01b2e98f543d175ac"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:11:26.888974865+00:00"},"epss":{"cve":"CVE-2023-53644","score":0.0016,"percentile":0.05101,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}