SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-4544

The PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression, which allows local guest administrators to cause a denial of service (domain 0 memory consumption) via a crafted (a)…

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 PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression, which allows local guest administrators to cause a denial of service (domain 0 memory consumption) via a crafted (a) kernel or (b) ramdisk.

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
Weakness
CWE-20
Affected
xen/xen
Source
secalert@redhat.com

References

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