Linux Kernel Heap Buffer Overflow DoS

The vulnerability of the kvmstealtimesetpreempted function in the arch/x86/kvm/x86.c module of the Linux operating system’s kernel is related to incorrect status messages for virtual processors. Exploiting this vulnerability could allow an attacker to gain access to protected information...

kernel: TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning

A flaw was found in the x86 KVM subsystem in kvmstealtimesetpreempted in arch/x86/kvm/x86.c in the Linux kernel. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVMVCPUPREEMPTED situations...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...