SB20240620225 - Improper error handling in Linux kernel parisc
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240620225
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 error handling (CVE-ID: CVE-2024-26706)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the fixup_exception() function in arch/parisc/mm/fault.c, within the emulate_ldh(), emulate_ldw(), emulate_ldd(), emulate_sth(), emulate_stw() and emulate_std() functions in arch/parisc/kernel/unaligned.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/23027309b099ffc4efca5477009a11dccbdae592
- https://git.kernel.org/stable/c/fa69a8063f8b27f3c7434a0d4f464a76a62f24d2
- https://git.kernel.org/stable/c/ce31d79aa1f13a2345791f84935281a2c194e003
- https://git.kernel.org/stable/c/8b1d72395635af45410b66cc4c4ab37a12c4a831
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8