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CVE
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CVE-2015-7970Date: (C)2015-12-15   (M)2024-02-22


The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a "time-consuming linear scan," related to Populate-on-Demand.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 4.9
Exploit Score: 3.9
Impact Score: 6.9
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality: NONE
Integrity: NONE
Availability: COMPLETE
  
Reference:
SECTRACK-1034034
BID-77362
DSA-3414
FEDORA-2015-242be2c240
FEDORA-2015-6f6b79efe2
FEDORA-2015-a931b02be2
GLSA-201604-03
http://support.citrix.com/article/CTX202404
http://xenbits.xen.org/xsa/advisory-150.html
openSUSE-SU-2015:2250

CPE    5
cpe:/o:xen:xen:3.4.4
cpe:/o:xen:xen:3.4.3
cpe:/o:xen:xen:3.4.0
cpe:/o:xen:xen:3.4.2
...
CWE    1
CWE-399
OVAL    5
oval:org.secpod.oval:def:109722
oval:org.secpod.oval:def:109702
oval:org.secpod.oval:def:109893
oval:org.secpod.oval:def:89045462
...

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