SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-4551

Xen 4.2.x and 4.3.x, when nested virtualization is disabled, does not properly check the emulation paths for (1) VMLAUNCH and (2) VMRESUME, which allows local HVM guest users to cause a denial of service (host crash) via unspecified vectors related to…

MEDIUM 5.7EPSS 0.80%

Does this matter?

Lower severity and a low EPSS score (0.80%). Track it; it rarely justifies an emergency change on its own.

Description

Xen 4.2.x and 4.3.x, when nested virtualization is disabled, does not properly check the emulation paths for (1) VMLAUNCH and (2) VMRESUME, which allows local HVM guest users to cause a denial of service (host crash) via unspecified vectors related to "guest VMX instruction execution."

CVSS 2.0
5.7 MEDIUMAV:A/AC:M/Au:N/C:N/I:N/A:C
EPSS
0.80% probability · 55th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
xen/xen
Source
secalert@redhat.com

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