SB20251001130 - Buffer overflow in Linux kernel powerpc kernel
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001130
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2023-53487)
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 website.
References
- 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