ID CVE-2011-2519
Summary 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. Per: http://cwe.mitre.org/data/definitions/476.html "CWE-476: NULL Pointer Dereference"
References
Vulnerable Configurations
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
    cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
CVSS
Base: 5.2 (as of 27-12-2013 - 15:35)
Impact:
Exploitability:
CWE NVD-CWE-Other
CAPEC
Access
VectorComplexityAuthentication
ADJACENT_NETWORK MEDIUM SINGLE
Impact
ConfidentialityIntegrityAvailability
NONE NONE COMPLETE
cvss-vector via4 AV:A/AC:M/Au:S/C:N/I:N/A:C
redhat via4
advisories
rhsa
id RHSA-2011:1212
rpms
  • kernel-0:2.6.18-274.3.1.el5
  • kernel-PAE-0:2.6.18-274.3.1.el5
  • kernel-PAE-devel-0:2.6.18-274.3.1.el5
  • kernel-debug-0:2.6.18-274.3.1.el5
  • kernel-debug-devel-0:2.6.18-274.3.1.el5
  • kernel-devel-0:2.6.18-274.3.1.el5
  • kernel-doc-0:2.6.18-274.3.1.el5
  • kernel-headers-0:2.6.18-274.3.1.el5
  • kernel-kdump-0:2.6.18-274.3.1.el5
  • kernel-kdump-devel-0:2.6.18-274.3.1.el5
  • kernel-xen-0:2.6.18-274.3.1.el5
  • kernel-xen-devel-0:2.6.18-274.3.1.el5
refmap via4
confirm https://bugzilla.redhat.com/show_bug.cgi?id=718882
misc http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644
mlist [oss-security] 20130830 kernel: CVE-2011-2482/2519
Last major update 27-12-2013 - 15:35
Published 27-12-2013 - 01:55
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