SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-4536

The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.

LOW 2.1EPSS 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

The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.

CVSS 2.0
2.1 LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
EPSS
0.42% probability · 35th percentile
CISA KEV
Not listed
Affected
xen/xen
Source
secalert@redhat.com

References

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