CVE-2022-48834

usb: usbtmc: Fix bug in pipe direction for control transfers

Description

In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: Fix bug in pipe direction for control transfers The syzbot fuzzer reported a minor bug in the usbtmc driver: usb 5-1: BOGUS control dir, pipe 80001e80 doesn't match bRequestType 0 WARNING: CPU: 0 PID: 3813 at drivers/usb/core/urb.c:412 usb_submit_urb+0x13a5/0x1970 drivers/usb/core/urb.c:410 Modules linked in: CPU: 0 PID: 3813 Comm: syz-executor122 Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0 ... Call Trace: <TASK> usb_start_wait_urb+0x113/0x530 drivers/usb/core/message.c:58 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x2a5/0x4b0 drivers/usb/core/message.c:153 usbtmc_ioctl_request drivers/usb/class/usbtmc.c:1947 [inline] The problem is that usbtmc_ioctl_request() uses usb_rcvctrlpipe() for all of its transfers, whether they are in or out. It's easy to fix.

7.8

CVSS

Severity: High

CVSS 3.1 •

EPSS 0.04%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/700a0715854c1e79a73341724ce4f5bb01abc016	patch
https://git.kernel.org/stable/c/10a805334a11acd547602d6c4cf540a0f6ab5c6e	patch
https://git.kernel.org/stable/c/c69aef9db878ab277068a8cc1b4bf0cf309dc2b7	patch
https://git.kernel.org/stable/c/5f6a2d63c68c12cf61259df7c3527a0e05dce952	patch
https://git.kernel.org/stable/c/e9b667a82cdcfe21d590344447d65daed52b353b	patch

Frequently Asked Questions

What is the severity of CVE-2022-48834?: CVE-2022-48834 has been scored as a high severity vulnerability.
How to fix CVE-2022-48834?: To fix CVE-2022-48834, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-48834 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-48834 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-48834?: CVE-2022-48834 affects Linux Linux, Linux Linux.