Vulnerabilities > CVE-2022-41849 - Use After Free vulnerability in multiple products
Attack vector
PHYSICAL Attack complexity
HIGH Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
drivers/video/fbdev/smscufx.c in the Linux kernel through 5.19.12 has a race condition and resultant use-after-free if a physically proximate attacker removes a USB device while calling open(), aka a race condition between ufx_ops_open and ufx_usb_disconnect.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5610bcfe8693c02e2e4c8b31427f1bdbdecc839c
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5610bcfe8693c02e2e4c8b31427f1bdbdecc839c
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
- https://lore.kernel.org/all/20220925133243.GA383897%40ubuntu/T/
- https://lore.kernel.org/all/20220925133243.GA383897%40ubuntu/T/