CVE-2022-49151
can: mcba_usb: properly check endpoint type
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: can: mcba_usb: properly check endpoint type Syzbot reported warning in usb_submit_urb() which is caused by wrong endpoint type. We should check that in endpoint is actually present to prevent this warning. Found pipes are now saved to struct mcba_priv and code uses them directly instead of making pipes in place. Fail log: | usb 5-1: BOGUS urb xfer, pipe 3 != type 1 | WARNING: CPU: 1 PID: 49 at drivers/usb/core/urb.c:502 usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502 | Modules linked in: | CPU: 1 PID: 49 Comm: kworker/1:2 Not tainted 5.17.0-rc6-syzkaller-00184-g38f80f42147f #0 | Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 | Workqueue: usb_hub_wq hub_event | RIP: 0010:usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502 | ... | Call Trace: | <TASK> | mcba_usb_start drivers/net/can/usb/mcba_usb.c:662 [inline] | mcba_usb_probe+0x8a3/0xc50 drivers/net/can/usb/mcba_usb.c:858 | usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396 | call_driver_probe drivers/base/dd.c:517 [inline]
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 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)
- 0.27% · top 81% of all CVEs (6 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 51f3baad7de943780ce0c17bd7975df567dd6e14 – < 5598442edc29e8f6f2380e4b471dc1a3fcd80508
- affected 51f3baad7de943780ce0c17bd7975df567dd6e14 – < b48d1bb3f1ca337ad653022aefb5a40a47dfe5cd
- affected 51f3baad7de943780ce0c17bd7975df567dd6e14 – < cbd110b8dd7ad763bf413f71c0484116ae9302d4
- affected 51f3baad7de943780ce0c17bd7975df567dd6e14 – < ef0acc514123140157b19a9ff2e2de5d91d612bc
- affected 51f3baad7de943780ce0c17bd7975df567dd6e14 – < fa9c1f14002dc0d5293e16a2007bd89b6e79207b
- affected 51f3baad7de943780ce0c17bd7975df567dd6e14 – < 88272b4a37913bdf6f339162a7920bd8e9b49de2
- affected 51f3baad7de943780ce0c17bd7975df567dd6e14 – < f2ec3cd0f34f8c3f94bc21fbba14868301c9c49d
- affected 51f3baad7de943780ce0c17bd7975df567dd6e14 – < 136bed0bfd3bc9c95c88aafff2d22ecb3a919f23
- affected 4.12
- unaffected < 4.12
- unaffected 4.14.276 – ≤ 4.14.*
- unaffected 4.19.238 – ≤ 4.19.*
- unaffected 5.4.189 – ≤ 5.4.*
- unaffected 5.10.110 – ≤ 5.10.*
- unaffected 5.15.33 – ≤ 5.15.*
- unaffected 5.16.19 – ≤ 5.16.*
- unaffected 5.17.2 – ≤ 5.17.*
- unaffected 5.18 – ≤ *
References (8)
- https://git.kernel.org/stable/c/5598442edc29e8f6f2380e4b471dc1a3fcd80508 (opens in a new tab)
- https://git.kernel.org/stable/c/b48d1bb3f1ca337ad653022aefb5a40a47dfe5cd (opens in a new tab)
- https://git.kernel.org/stable/c/cbd110b8dd7ad763bf413f71c0484116ae9302d4 (opens in a new tab)
- https://git.kernel.org/stable/c/ef0acc514123140157b19a9ff2e2de5d91d612bc (opens in a new tab)
- https://git.kernel.org/stable/c/fa9c1f14002dc0d5293e16a2007bd89b6e79207b (opens in a new tab)
- https://git.kernel.org/stable/c/88272b4a37913bdf6f339162a7920bd8e9b49de2 (opens in a new tab)
- https://git.kernel.org/stable/c/f2ec3cd0f34f8c3f94bc21fbba14868301c9c49d (opens in a new tab)
- https://git.kernel.org/stable/c/136bed0bfd3bc9c95c88aafff2d22ecb3a919f23 (opens in a new tab)
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-2022-49151)Record last updated .