SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2011-1936

Xen, when using x86 Intel processors and the VMX virtualization extension is enabled, does not properly handle cpuid instruction emulation when exiting the VM, which allows local guest users to cause a denial of service (guest crash) via unspecified…

MEDIUM 4.6EPSS 0.47%

Does this matter?

Lower severity and a low EPSS score (0.47%). Track it; it rarely justifies an emergency change on its own.

Description

Xen, when using x86 Intel processors and the VMX virtualization extension is enabled, does not properly handle cpuid instruction emulation when exiting the VM, which allows local guest users to cause a denial of service (guest crash) via unspecified vectors.

CVSS 2.0
4.6 MEDIUMAV:A/AC:H/Au:N/C:N/I:N/A:C
EPSS
0.47% probability · 39th percentile
CISA KEV
Not listed
Affected
xen/xen
Source
secalert@redhat.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.