SB20260114166 - Input validation error in Linux kernel parisc driver
Published: January 14, 2026
Security Bulletin ID
SB20260114166
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) Input validation error (CVE-ID: CVE-2025-71121)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the gsc_set_affinity_irq() function in drivers/parisc/gsc.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/4d0858bbeea12a50bfb32137f74d4b74917ebadd
- https://git.kernel.org/stable/c/60560d13ff368415c96a0c1247bea16d427c0641
- https://git.kernel.org/stable/c/c8f810e20f4bbe50b49f73429d9fa6efad00623e
- https://git.kernel.org/stable/c/dca7da244349eef4d78527cafc0bf80816b261f5
- https://git.kernel.org/stable/c/e09fd2eb6d4c993ee9eaae556cb51e30ec1042df