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.
References (7)
Core 7
Core References
Exploit x_refsource_confirm
http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg/rev/84e3706df07a
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2012/dsa-2582
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/45622
Various Sources mailing-list
x_refsource_mlist
http://old-list-archives.xen.org/archives/html/xen-devel/2011-08/msg00450.html
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/51468
Various Sources mailing-list
x_refsource_mlist
http://old-list-archives.xen.org/archives/html/xen-devel/2011-06/msg01106.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/49146
Scores
EPSS
0.0005
EPSS Percentile
17.0%
Details
CWE
CWE-399
Status
published
Products (1)
xen/xen
< 4.1.1
Published
Dec 13, 2012
Tracked Since
Feb 18, 2026