Red Hat Security AdvisoryRHSA-2010:0126
kvm security and bug fix update
Released 2010-03-01 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) kmod-kvm-83-105.el5_4.27, kvm-83-105.el5_4.27, kvm-qemu-img-83-105.el5_4.27 +1
- Red Hat Enterprise Linux Virtualization (v. 5 server) kmod-kvm-83-105.el5_4.27, kvm-83-105.el5_4.27, kvm-qemu-img-83-105.el5_4.27 +1
Fixes 2 records
Priority LOW 36
The handle_dr function in arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 2.6.31.1 does not properly verify the Current Privilege Level (CPL) before accessing a debug register, which allows guest OS us…
CVSS 2.0HIGH 7.1· Network · No auth · Interaction — · EPSS 0.02277 · Published 2009-10-30 · Fixed CWE-264
Priority LOW 20
The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing (SMP), does not properly restrict writing of segment selectors to segment registers, which might allow guest OS users to cause a denial…
CVSS 2.0MEDIUM 4.4· Local · No auth · Interaction — · EPSS 0.00347 · Published 2010-03-05 · Fixed CWE-264