Vulnerability Details : CVE-2014-8594

The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
Published 2014-11-19 18:59:11
Updated 2018-10-30 16:27:36
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionInput validationDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2014-8594

EPSS FAQ
0.60%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2014-8594

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.4
 MEDIUM AV:N/AC:H/Au:N/C:N/I:N/A:C
4.9
6.9
 NIST

CWE ids for CVE-2014-8594

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2014-8594

Products affected by CVE-2014-8594

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