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Red Hat: CVE-2022-48836: kernel: Input: aiptek - properly check endpoint type (Multiple Advisories)

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Red Hat: CVE-2022-48836: kernel: Input: aiptek - properly check endpoint type (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
07/16/2024
Created
09/26/2024
Added
09/25/2024
Modified
09/25/2024

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

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2022-48836
  • RHSA-2024:7000
  • RHSA-2024:7001

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