CVE-2026-89640

This CVE affects the CIFS subsystem of the Linux kernel , specifically in cifs_remap_file_range(). When a file-range remap (clone) is issued with len == 0 (clone to EOF) and the offset exceeds the source file's size, the effective length is computed as a negative loff_t , which corrupts the ByteC...

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 a logic error when merging too long ranges, which could lead to file range corruption...

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 the Linux kernel that stems from improper handling of an overflow in the iommufd subsystem for the ALIGN function during iova allocation, whi...