SB2024050847 - Denial of service in Linux kernel parisc
Published: May 8, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024050847
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) Improper handling of exceptional conditions (CVE-ID: CVE-2021-46928)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of errors within the handle_interruption() function in arch/parisc/kernel/traps.c. A local user can send specially crafted input and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/d01e9ce1af6116f812491d3d3873d204f10ae0b8
- https://git.kernel.org/stable/c/e96373f0a5f484bc1e193f9951dcb3adf24bf3f7
- https://git.kernel.org/stable/c/484730e5862f6b872dca13840bed40fd7c60fa26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.90
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16