#VU93144 Buffer overflow in Linux kernel - CVE-2023-52731
Published: June 24, 2024 / Updated: May 13, 2025
Linux kernel
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the __releases() function in drivers/video/fbdev/core/fbmem.c, within the fb_deferred_io_open() and fb_deferred_io_cleanup() functions in drivers/video/fbdev/core/fb_defio.c. A local user can perform a denial of service (DoS) attack.
Remediation
External links
- https://git.kernel.org/stable/c/87b9802ca824fcee7915e717e9a60471af62e8e9
- https://git.kernel.org/stable/c/f1d91f0e9d5a240a809698d7d9c5a538e7dcc149
- https://git.kernel.org/stable/c/3efc61d95259956db25347e2a9562c3e54546e20
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.149
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2