CVE-2026-43319

A flaw was found in the Linux kernel's spidev driver. A local user, by performing concurrent write and ioctl operations on the same spidev file descriptor from separate threads, could trigger a lock inversion. This issue can lead to a deadlock, resulting in a Denial of Service DoS for the affecte...

CVE-2026-43319

In the Linux kernel, the following vulnerability has been resolved: spi: spidev: fix lock inversion between spilock and buflock The spidev driver previously used two mutexes, spilock and buflock, but acquired them in different orders depending on the code path: write/read: buflock - spilock ioctl...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from inconsistent lock order in the spidev driver’s spiLock and bufLock functions, potentially leading...