SB2024060811 - Stack-based buffer overflow in Linux kernel powerpc kernel
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060811
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) Stack-based buffer overflow (CVE-ID: CVE-2021-47567)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to stack overflow within the arch/powerpc/kernel/head_32.h. 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/dfe906da9a1abebdebe8b15bb3e66a2578f6c4c7
- https://git.kernel.org/stable/c/c4e3ff8b8b1d54f0c755670174c453b06e17114b
- https://git.kernel.org/stable/c/5bb60ea611db1e04814426ed4bd1c95d1487678e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16