SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-1952

Xen 4.x, when using Intel VT-d for a bus mastering capable PCI device, does not properly check the source when accessing a bridge device's interrupt remapping table entries for MSI interrupts, which allows local guest domains to cause a denial of…

LOW 1.9EPSS 0.42%

Does this matter?

Lower severity and a low EPSS score (0.42%). Track it; it rarely justifies an emergency change on its own.

Description

Xen 4.x, when using Intel VT-d for a bus mastering capable PCI device, does not properly check the source when accessing a bridge device's interrupt remapping table entries for MSI interrupts, which allows local guest domains to cause a denial of service (interrupt injection) via unspecified vectors.

CVSS 2.0
1.9 LOWAV:L/AC:M/Au:N/C:N/I:N/A:P
EPSS
0.42% probability · 36th 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.