Ubuntu: USN-7039-1 (CVE-2022-48836): Linux kernel vulnerabilities

Ubuntu: USN-7039-1 (CVE-2022-48836): Linux kernel vulnerabilities

Severity

5

CVSS

(AV:L/AC:L/Au:S/C:N/I:N/A:C)

Published

07/16/2024

Created

09/28/2024

Added

09/27/2024

Modified

01/28/2025

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)

• ubuntu-upgrade-linux-image-4-4-0-1136-aws
• ubuntu-upgrade-linux-image-4-4-0-1137-kvm
• ubuntu-upgrade-linux-image-4-4-0-1174-aws
• ubuntu-upgrade-linux-image-4-4-0-259-generic
• ubuntu-upgrade-linux-image-4-4-0-259-lowlatency
• ubuntu-upgrade-linux-image-aws
• ubuntu-upgrade-linux-image-generic
• ubuntu-upgrade-linux-image-generic-lts-utopic
• ubuntu-upgrade-linux-image-generic-lts-vivid
• ubuntu-upgrade-linux-image-generic-lts-wily
• ubuntu-upgrade-linux-image-generic-lts-xenial
• ubuntu-upgrade-linux-image-kvm
• ubuntu-upgrade-linux-image-lowlatency
• ubuntu-upgrade-linux-image-lowlatency-lts-utopic
• ubuntu-upgrade-linux-image-lowlatency-lts-vivid
• ubuntu-upgrade-linux-image-lowlatency-lts-wily
• ubuntu-upgrade-linux-image-lowlatency-lts-xenial
• ubuntu-upgrade-linux-image-virtual
• ubuntu-upgrade-linux-image-virtual-lts-utopic
• ubuntu-upgrade-linux-image-virtual-lts-vivid
• ubuntu-upgrade-linux-image-virtual-lts-wily
• ubuntu-upgrade-linux-image-virtual-lts-xenial

References

• https://attackerkb.com/topics/cve-2022-48836
• CVE - 2022-48836
• USN-7039-1