Not yet scoredPublished Dec 30, 2025

CVE-2023-54213USB: sisusbvga: Add endpoint checks

Updated under an hour ago (Oct 28, 2026, 7:10 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: USB: sisusbvga: Add endpoint checks The syzbot fuzzer was able to provoke a WARNING from the sisusbvga driver: ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 3 != type 1 WARNING: CPU: 1 PID: 26 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504 Modules linked in: CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504 Code: 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 RSP: 0018:ffffc90000a1ed18 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888012783a80 RSI: ffffffff816680ec RDI: fffff52000143d95 RBP: ffff888079020000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000003 R13: ffff888017d33370 R14: 0000000000000003 R15: ffff888021213600 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005592753a60b0 CR3: 0000000022899000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> sisusb_bulkout_msg drivers/usb/misc/sisusbvga/sisusbvga.c:224 [inline] sisusb_send_bulk_msg.constprop.0+0x904/0x1230 drivers/usb/misc/sisusbvga/sisusbvga.c:379 sisusb_send_bridge_packet drivers/usb/misc/sisusbvga/sisusbvga.c:567 [inline] sisusb_do_init_gfxdevice drivers/usb/misc/sisusbvga/sisusbvga.c:2077 [inline] sisusb_init_gfxdevice+0x87b/0x4000 drivers/usb/misc/sisusbvga/sisusbvga.c:2177 sisusb_probe+0x9cd/0xbe2 drivers/usb/misc/sisusbvga/sisusbvga.c:2869 ... The problem was caused by the fact that the driver does not check whether the endpoints it uses are actually present and have the appropriate types. This can be fixed by adding a simple check of the endpoints.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before bccb2ccb65515dc66a8001f99f4dcba8a45987f9; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before a8f980ecb0112100366c64e0404d9dd1dcbd2fcd; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before a730feb672c7d7c5f7414c3715f8e3fa844e5a9b; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before ccef03c5113506d27dd6530d3a9ef5715c068e13; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 43f569fd0699c4240a5c96e5ba1a0844a595afca; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before d5dba4b7bf904143702fb4be641802ee2e9c95aa; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 builds before 0f9028b6ffaa98bff7c479cccf2558247e295534; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before df05a9b05e466a46725564528b277d0c570d0104	CNA record

References

References

https://git.kernel.org/stable/c/bccb2ccb65515dc66a8001f99f4dcba8a45987f9
https://git.kernel.org/stable/c/a8f980ecb0112100366c64e0404d9dd1dcbd2fcd
https://git.kernel.org/stable/c/a730feb672c7d7c5f7414c3715f8e3fa844e5a9b
https://git.kernel.org/stable/c/ccef03c5113506d27dd6530d3a9ef5715c068e13
https://git.kernel.org/stable/c/43f569fd0699c4240a5c96e5ba1a0844a595afca
https://git.kernel.org/stable/c/d5dba4b7bf904143702fb4be641802ee2e9c95aa
https://git.kernel.org/stable/c/0f9028b6ffaa98bff7c479cccf2558247e295534
https://git.kernel.org/stable/c/df05a9b05e466a46725564528b277d0c570d0104

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.