SB2024062686 - Resource management error in Linux kernel riscv mm
Published: June 26, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062686
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) Resource management error (CVE-ID: CVE-2021-47414)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ipi_remote_fence_i() function in arch/riscv/mm/cacheflush.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/427faa29e06f0709476ea1bd59758f997ec8b64e
- https://git.kernel.org/stable/c/f1c7aa87c423e765e3862349c2f095fdfccdd9b3
- https://git.kernel.org/stable/c/bb8958d5dc79acbd071397abb57b8756375fe1ce
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.73
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15