The vulnerability of the userfaultfd_writeprotect() function in the fs/userfaultfd.c module of the Linux file system support module allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.
🗓️ 03 Jan 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 11 Views
10
Node
10
Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
03 Jan 2026 00:00Current
7.2High risk
Vulners AI Score7.2
CVSS 26
CVSS 37
EPSS0.00174