SB20240717112 - Resource management error in Linux kernel book3s 32
Published: July 17, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240717112
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-2021-47623)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the set_pte_at() function in arch/powerpc/mm/pgtable.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/67baac10dd5ad1e9f50e8f2659984b3b0728d54e
- https://git.kernel.org/stable/c/43ae0ccc4d2722b833fb59b905af129428e06d03
- https://git.kernel.org/stable/c/033fd42c18d9b2121595b6f1e8419a115f9ac5b7
- https://git.kernel.org/stable/c/aec982603aa8cc0a21143681feb5f60ecc69d718
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.101
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17