The vulnerability of the mcp23s08_probe_one() function in the drivers/pinctrl/pinctrl-mcp23s08.c driver module, which affects the PINCTRL output of the Linux operating system’s kernel, allows a hacker to cause a service failure.
🗓️ 30 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 3 Views
| Reporter | Title | Published | Views | Family All 17 |
|---|---|---|---|---|
 | CVE-2026-43087 | 6 May 202607:40 | – | attackerkb |
 | Astra Linux – Vulnerability in Linux 5.10 | 20 May 202605:53 | – | astralinux |
 | Linux kernel 安全漏洞 | 6 May 202600:00 | – | cnnvd |
 | CVE-2026-43087 | 6 May 202607:40 | – | cve |
 | CVE-2026-43087 pinctrl: mcp23s08: Disable all pin interrupts during probe | 6 May 202607:40 | – | cvelist |
 | CVE-2026-43087 | 6 May 202607:40 | – | debiancve |
 | EUVD-2026-27584 | 6 May 202612:30 | – | euvd |
 | CVE-2026-43087 | 6 May 202610:16 | – | nvd |
 | BELL-CVE-2026-43087 CVE-2026-43087 does not affect BellSoft software | 7 May 202606:08 | – | osv |
| DEBIAN-CVE-2026-43087 | 6 May 202610:16 | – | osv |
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
30 Sep 2026 00:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 24.3
CVSS 34.8
EPSS0.00143