CVE-2026-63949 auxdisplay: line-display: fix OOB read on zero-length message_store()

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: line-display: fix OOB read on zero-length messagestore linedispdisplay unconditionally reads msgcount - 1 before checking whether count is zero, so a write of zero bytes to the message sysfs attribute hits msg-1:...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel. This vulnerability stems from the auxdisplay line-display driver, which relies on an attachment list when accessing a...

PT-2022-29040

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.27 Description A memory leak issue was discovered in the -remove function of the lcd2s auxdisplay driver. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel...