The vulnerability in the `lineinfo_changed_notify()` function of the `drivers/gpio/gpiolib-cdev.c` driver for the Linux kernel’s GPIO driver allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information.
🗓️ 21 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 6 Views
| Reporter | Title | Published | Views | Family All 74 |
|---|---|---|---|---|
 | AlmaLinux 10 : kernel (ALSA-2026:4012) | 13 Mar 202600:00 | – | nessus |
| Oracle Linux 10 : kernel (ELSA-2026-4012) | 11 Mar 202600:00 | – | nessus |
| RHEL 10 : kernel (RHSA-2026:4012) | 9 Mar 202600:00 | – | nessus |
| Ubuntu 24.04 LTS / 25.10 : Linux kernel vulnerabilities (USN-8094-1) | 17 Mar 202600:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2025-40249 | 4 Dec 202500:00 | – | nessus |
 | Astra Linux – Vulnerability in Linux 5.10 | 20 May 202605:53 | – | astralinux |
 | CVE-2025-40249 | 20 Mar 202613:05 | – | circl |
 | Linux kernel 安全漏洞 | 4 Dec 202500:00 | – | cnnvd |
 | CVE-2025-40249 | 4 Dec 202516:08 | – | cve |
 | CVE-2025-40249 gpio: cdev: make sure the cdev fd is still active before emitting events | 4 Dec 202516:08 | – | cvelist |
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21 Jul 2026 00:00Current
5.4Medium risk
Vulners AI Score5.4
CVSS 26
CVSS 37
EPSS0.00141