CVE-2025-40160

CVE-2025-40160: In the Linux kernel Xen event handling, find_virq() now returns -EEXIST when a VIRQ bound to a different CPU, replacing the previous BUG_ON() path. This affects per-domain/global VIRQs (which must be bound to CPU0 before migration). A second bind for per-domain/global VIRQs is tre...

CVE-2025-40160

In the Linux kernel, the following vulnerability has been resolved: xen/events: Return -EEXIST for bound VIRQs Change findvirq to return -EEXIST when a VIRQ is bound to a different CPU than the one passed in. With that, remove the BUGON from bindvirqtoirq to propogate the error upwards. Some VIRQ...

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 xen/events not properly handling bound VIRQs, which could cause the kernel to crash...