CVE-2025-21661

CVE-2025-21661 relates to the Linux kernel GPIO virtuser subsystem. The issue occurred when a virtuser device is created via configfs and the probe failed due to an incorrect lookup table, causing the table not to be removed and blocking subsequent probes until the device is released. The fix int...

CVE-2025-21661 gpio: virtuser: fix missing lookup table cleanups

In the Linux kernel, the following vulnerability has been resolved: gpio: virtuser: fix missing lookup table cleanups When a virtuser device is created via configfs and the probe fails due to an incorrect lookup table, the table is not removed. This prevents subsequent probe attempts from...

CVE-2025-21661 gpio: virtuser: fix missing lookup table cleanups

In the Linux kernel, the following vulnerability has been resolved: gpio: virtuser: fix missing lookup table cleanups When a virtuser device is created via configfs and the probe fails due to an incorrect lookup table, the table is not removed. This prevents subsequent probe attempts from...

CVE-2025-21661

In the Linux kernel, the following vulnerability has been resolved: gpio: virtuser: fix missing lookup table cleanups When a virtuser device is created via configfs and the probe fails due to an incorrect lookup table, the table is not removed. This prevents subsequent probe attempts from...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from the virtuser device in the gpio module not cleaning up the lookup table when probing fails. This could result in...

PT-2025-4342 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A memory leak and cleanup issue has been identified in the Linux kernel when a virtuser device is created via configfs and the probe fails due to an incorrect lookup table. The table i...