SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-2121

The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative…

MEDIUM 4.9EPSS 0.41%

Does this matter?

Lower severity and a low EPSS score (0.41%). Track it; it rarely justifies an emergency change on its own.

Description

The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices.

CVSS 2.0
4.9 MEDIUMAV:L/AC:L/Au:N/C:N/I:N/A:C
EPSS
0.41% probability · 35th percentile
CISA KEV
Not listed
Weakness
CWE-264
Affected
linux/linux kernel
Source
secalert@redhat.com

References

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