SB20240624126 - Resource management error in Linux kernel book3s 64
Published: June 24, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240624126
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-2021-47034)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the early_map_kernel_page() and __map_kernel_page() functions in arch/powerpc/mm/pgtable-radix.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/b3d5d0983388d6c4fb35f7d722556d5595f167a7
- https://git.kernel.org/stable/c/73f9dccb29e4f82574bec2765c0090cdb0404301
- https://git.kernel.org/stable/c/84c0762633f2a7ac8399e6b97d3b9bb8e6e1d50f
- https://git.kernel.org/stable/c/01ac203e2119d8922126886ddea309fb676f955f
- https://git.kernel.org/stable/c/e40c52ee67b155ad59f59e73ea136d02685f0e0d
- https://git.kernel.org/stable/c/b8b2f37cf632434456182e9002d63cbc4cccc50c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.191
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.37
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.119