kernel: bpf: Fix a sdiv overflow issue

A flaw was found in the kernel's Berkeley Packet Filter BPF subsystem. A privileged local user can trigger a signed division or modulo overflow when executing a BPF program on an x8664 system. This overflow can lead to a kernel exception and subsequently cause a system crash, resulting in a Denia...

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 a sdiv overflow problem in the bpf program, which could cause the kernel to crash...