#VU89243 Improper locking in Linux kernel - CVE-2023-52456
Published: May 8, 2024
Vulnerability identifier: #VU89243
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52456
CWE-ID: CWE-667
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 perform a denial of service attack (DoS) on the target system.
The vulnerability exists due to double-locking error within the imx_uart_stop_tx() function in drivers/tty/serial/imx.c. A local user can crash the OS kernel.
Remediation
Install updates from vendor's website.
External links
- https://git.kernel.org/stable/c/6e04a9d30509fb53ba6df5d655ed61d607a7cfda
- https://git.kernel.org/stable/c/ff168d4fdb0e1ba35fb413a749b3d6cce918ec19
- https://git.kernel.org/stable/c/63ee7be01a3f7d28b1ea8b8d7944f12bb7b0ed06
- https://git.kernel.org/stable/c/763cd68746317b5d746dc2649a3295c1efb41181
- https://git.kernel.org/stable/c/9a662d06c22ddfa371958c2071dc350436be802b
- https://git.kernel.org/stable/c/78d60dae9a0c9f09aa3d6477c94047df2fe6f7b0