{"cve":"CVE-2023-54213","nvd":{"published":"2025-12-30T13:16:09.520","modified":"2026-10-28T19:10:00.193","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: sisusbvga: Add endpoint checks\n\nThe syzbot fuzzer was able to provoke a WARNING from the sisusbvga driver:\n\n------------[ cut here ]------------\nusb 1-1: BOGUS urb xfer, pipe 3 != type 1\nWARNING: CPU: 1 PID: 26 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504\nModules linked in:\nCPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023\nWorkqueue: usb_hub_wq hub_event\nRIP: 0010:usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504\nCode: 7c 24 18 e8 6c 50 80 fb 48 8b 7c 24 18 e8 62 1a 01 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 60 b1 fa 8a e8 84 b0 be 03 <0f> 0b e9 58 f8 ff ff e8 3e 50 80 fb 48 81 c5 c0 05 00 00 e9 84 f7\nRSP: 0018:ffffc90000a1ed18 EFLAGS: 00010282\nRAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000\nRDX: ffff888012783a80 RSI: ffffffff816680ec RDI: fffff52000143d95\nRBP: ffff888079020000 R08: 0000000000000005 R09: 0000000000000000\nR10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000003\nR13: ffff888017d33370 R14: 0000000000000003 R15: ffff888021213600\nFS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00005592753a60b0 CR3: 0000000022899000 CR4: 00000000003506e0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n sisusb_bulkout_msg drivers/usb/misc/sisusbvga/sisusbvga.c:224 [inline]\n sisusb_send_bulk_msg.constprop.0+0x904/0x1230 drivers/usb/misc/sisusbvga/sisusbvga.c:379\n sisusb_send_bridge_packet drivers/usb/misc/sisusbvga/sisusbvga.c:567 [inline]\n sisusb_do_init_gfxdevice drivers/usb/misc/sisusbvga/sisusbvga.c:2077 [inline]\n sisusb_init_gfxdevice+0x87b/0x4000 drivers/usb/misc/sisusbvga/sisusbvga.c:2177\n sisusb_probe+0x9cd/0xbe2 drivers/usb/misc/sisusbvga/sisusbvga.c:2869\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\nthe endpoints.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/0f9028b6ffaa98bff7c479cccf2558247e295534","https://git.kernel.org/stable/c/43f569fd0699c4240a5c96e5ba1a0844a595afca","https://git.kernel.org/stable/c/a730feb672c7d7c5f7414c3715f8e3fa844e5a9b","https://git.kernel.org/stable/c/a8f980ecb0112100366c64e0404d9dd1dcbd2fcd","https://git.kernel.org/stable/c/bccb2ccb65515dc66a8001f99f4dcba8a45987f9"],"products":[],"source":"nvd","synced_at":"2026-10-28T19:37:43.506563291+00:00"},"epss":{"cve":"CVE-2023-54213","score":0.00211,"percentile":0.11285,"date":"2026-10-28"},"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."]}