#VU69296 Out-of-bounds write in Linux kernel - CVE-2022-43750
Published: November 14, 2022
Vulnerability identifier: #VU69296
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-43750
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the drivers/usb/mon/mon_bin.c in usbmon in the Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Remediation
Install updates from vendor's website.
External links
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.1
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a659daf63d16aa883be42f3f34ff84235c302198
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.15
- https://github.com/torvalds/linux/commit/a659daf63d16aa883be42f3f34ff84235c302198
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html