kernel: KVM: VMX: Bury Intel PT virtualization (guest/host mode) behind CONFIG_BROKEN

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM subsystem. In guest/host mode for Intel Processor Trace Intel PT, the hypervisor fails to properly validate virtual processor configurations and manage tracing states during virtual machine transitions. A local user or guest...

UBUNTU-CVE-2024-53135

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Bury Intel PT virtualization guest/host mode behind CONFIGBROKEN Hide KVM's ptmode module param behind CONFIGBROKEN, i.e. disable support for virtualizing Intel PT via guest/host mode unless BROKEN=y. There are myriad...

FreeBSD 安全漏洞

FreeBSD is a set of Unix-like operating systems from the FreeBSD Foundation. A security vulnerability exists in FreeBSD that stems from a logic error in the code that disables kernel tracing, allowing an unprivileged user to trace and inspect the behavior of the setuid program...