VulnerabilityModified
CVE-2011-3131
Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.
MEDIUM 4.6EPSS 0.44%
Does this matter?
Lower severity and a low EPSS score (0.44%). Track it; it rarely justifies an emergency change on its own.
Description
Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.
- CVSS 2.0
- 4.6 MEDIUMAV:L/AC:L/Au:S/C:N/I:N/A:C
- EPSS
- 0.44% probability · 37th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- xen/xen
- Source
- cve@mitre.org
References
- http://old-list-archives.xen.org/archives/html/xen-devel/2011-06/msg01106.html
- http://old-list-archives.xen.org/archives/html/xen-devel/2011-08/msg00450.html
- http://secunia.com/advisories/45622Vendor Advisory
- http://secunia.com/advisories/51468Vendor Advisory
- http://www.debian.org/security/2012/dsa-2582
- http://www.securityfocus.com/bid/49146
- http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg/rev/84e3706df07aExploit
- http://old-list-archives.xen.org/archives/html/xen-devel/2011-06/msg01106.html
- http://old-list-archives.xen.org/archives/html/xen-devel/2011-08/msg00450.html
- http://secunia.com/advisories/45622Vendor Advisory
- http://secunia.com/advisories/51468Vendor Advisory
- http://www.debian.org/security/2012/dsa-2582
- http://www.securityfocus.com/bid/49146
- http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg/rev/84e3706df07aExploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.