Описание
The msr_mtrr_valid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvm_arch_vcpu data structure, and consequently obtain sensitive information or cause a denial of service (system crash), via a crafted ioctl call.
Ссылки
- Vendor Advisory
- Vendor Advisory
- Vendor Advisory
- Vendor Advisory
Уязвимые конфигурации
EPSS
7.1 High
CVSS3
5.6 Medium
CVSS2
Дефекты
Связанные уязвимости
The msr_mtrr_valid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvm_arch_vcpu data structure, and consequently obtain sensitive information or cause a denial of service (system crash), via a crafted ioctl call.
The msr_mtrr_valid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvm_arch_vcpu data structure, and consequently obtain sensitive information or cause a denial of service (system crash), via a crafted ioctl call.
The msr_mtrr_valid function in arch/x86/kvm/mtrr.c in the Linux kernel ...
The msr_mtrr_valid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvm_arch_vcpu data structure, and consequently obtain sensitive information or cause a denial of service (system crash), via a crafted ioctl call.
ELSA-2018-4301: Unbreakable Enterprise kernel security update (IMPORTANT)
EPSS
7.1 High
CVSS3
5.6 Medium
CVSS2