SB20250226720 - Buffer overflow in Linux kernel powerpc kernel
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226720
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-2022-49164)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the REST_GPR() and GET_PACA() functions in arch/powerpc/kernel/tm.S. 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/5dce84f475d13b773a1a4c823581cab25044d86a
- https://git.kernel.org/stable/c/73d8082c90f17dfba57cad4ca94db5cae323f1b1
- https://git.kernel.org/stable/c/9d71165d3934e607070c4e48458c0cf161b1baea
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18