5.5

CVE-2011-2519

Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Xen ≫ Xen Version < 3.3.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.68% 0.474
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 5.1 6.9
AV:A/AC:L/Au:S/C:N/I:N/A:C
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

http://rhn.redhat.com/errata/RHSA-2011-1212.html
Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/30/1
Third Party Advisory
Mailing List
http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644
Patch
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=718882
Third Party Advisory
Issue Tracking