SB2024082133 - Input validation error in Linux kernel riscv purgatory
Published: August 21, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082133
CSH 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 vulnerability.
1) Input validation error (CVE-ID: CVE-2024-43868)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the SYM_CODE_END() function in arch/riscv/purgatory/entry.S. 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/5d4aaf16a8255f7c71790e211724ba029609c5ff
- https://git.kernel.org/stable/c/fb197c5d2fd24b9af3d4697d0cf778645846d6d5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.117
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.61