#VU116310 Buffer overflow in Linux kernel - CVE-2023-53487
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116310
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-2023-53487
CWE-ID: CWE-119
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 (DoS) attack.
The vulnerability exists due to memory corruption within the rtas_flash_init() function in arch/powerpc/kernel/rtas_flash.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/0ba7f969be599e21d4b1f1e947593de6515f4996
- https://git.kernel.org/stable/c/1d29e21ed09fa668416fa7721e08d451b9903485
- https://git.kernel.org/stable/c/4f3175979e62de3b929bfa54a0db4b87d36257a7
- https://git.kernel.org/stable/c/6acb8a453388374fafb3c3b37534b675b2aa0ae1
- https://git.kernel.org/stable/c/8ef25fb13494e35c6dbe15445c7875fa92bc3e8b
- https://git.kernel.org/stable/c/8f09cc15dcd91d16562400c51d24c7be0d5796fa
- https://git.kernel.org/stable/c/b8fee83aa4ed3846c7f50a0b364bc699f48d96e5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.47