CVE-2022-48836
Input: aiptek - properly check endpoint type
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: Input: aiptek - properly check endpoint type Syzbot reported warning in usb_submit_urb() which is caused by wrong endpoint type. There was a check for the number of endpoints, but not for the type of endpoint. Fix it by replacing old desc.bNumEndpoints check with usb_find_common_endpoints() helper for finding endpoints Fail log: usb 5-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 2 PID: 48 at drivers/usb/core/urb.c:502 usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502 Modules linked in: CPU: 2 PID: 48 Comm: kworker/2:2 Not tainted 5.17.0-rc6-syzkaller-00226-g07ebd38a0da2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Workqueue: usb_hub_wq hub_event ... Call Trace: <TASK> aiptek_open+0xd5/0x130 drivers/input/tablet/aiptek.c:830 input_open_device+0x1bb/0x320 drivers/input/input.c:629 kbd_connect+0xfe/0x160 drivers/tty/vt/keyboard.c:1593
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.24% · top 84% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 8e20cf2bce122ce9262d6034ee5d5b76fbb92f96 – < 57277a8b5d881e02051ba9d7f6cb3f915c229821
- affected 8e20cf2bce122ce9262d6034ee5d5b76fbb92f96 – < fc8033a55e2796d21e370260a784ac9fbb8305a6
- affected 8e20cf2bce122ce9262d6034ee5d5b76fbb92f96 – < 6de20111cd0bb7da9b2294073ba00c7d2a6c1c4f
- affected 8e20cf2bce122ce9262d6034ee5d5b76fbb92f96 – < e732b0412f8c603d1e998f3bff41b5e7d5c3914c
- affected 8e20cf2bce122ce9262d6034ee5d5b76fbb92f96 – < f0d43d22d24182b94d7eb78a2bf6ae7e2b33204a
- affected 8e20cf2bce122ce9262d6034ee5d5b76fbb92f96 – < e762f57ff255af28236cd02ca9fc5c7e5a089d31
- affected 8e20cf2bce122ce9262d6034ee5d5b76fbb92f96 – < 35069e654bcab567ff8b9f0e68e1caf82c15dcd7
- affected 8e20cf2bce122ce9262d6034ee5d5b76fbb92f96 – < 5600f6986628dde8881734090588474f54a540a8
- affected 90eb3c037fe3f0f25f01713a92725a8daa2b41f3
- affected a7c0ba06670f99c252d5bb74258dddbf50fef837
- affected 3.2.79 – < 3.3
- affected 3.12.53 – < 3.13
- affected 4.4
- unaffected < 4.4
- unaffected 4.9.308 – ≤ 4.9.*
- unaffected 4.14.273 – ≤ 4.14.*
- unaffected 4.19.236 – ≤ 4.19.*
- unaffected 5.4.187 – ≤ 5.4.*
- unaffected 5.10.108 – ≤ 5.10.*
- unaffected 5.15.31 – ≤ 5.15.*
- unaffected 5.16.17 – ≤ 5.16.*
- unaffected 5.17 – ≤ *
References (8)
- https://git.kernel.org/stable/c/57277a8b5d881e02051ba9d7f6cb3f915c229821 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/fc8033a55e2796d21e370260a784ac9fbb8305a6 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/6de20111cd0bb7da9b2294073ba00c7d2a6c1c4f (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/e732b0412f8c603d1e998f3bff41b5e7d5c3914c (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/f0d43d22d24182b94d7eb78a2bf6ae7e2b33204a (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/e762f57ff255af28236cd02ca9fc5c7e5a089d31 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/35069e654bcab567ff8b9f0e68e1caf82c15dcd7 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/5600f6986628dde8881734090588474f54a540a8 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-48836)Record last updated .