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CVE
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CVE-2014-5149Date: (C)2014-08-22   (M)2023-12-22


Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5146.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 4.7
Exploit Score: 3.4
Impact Score: 6.9
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality: NONE
Integrity: NONE
Availability: COMPLETE
  
Reference:
SECTRACK-1030723
BID-69199
FEDORA-2014-9472
FEDORA-2014-9493
GLSA-201504-04
http://xenbits.xen.org/xsa/advisory-97.html
openSUSE-SU-2015:0226
openSUSE-SU-2015:0256
xen-cve20145149-dos(95235)

CPE    7
cpe:/o:xen:xen:4.2.3
cpe:/o:xen:xen:4.2.2
cpe:/o:xen:xen:4.3.1
cpe:/o:xen:xen:4.2.1
...
CWE    1
CWE-399
OVAL    2
oval:org.secpod.oval:def:107361
oval:org.secpod.oval:def:107351

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