CVE-2014-7155 | Date: (C)2014-10-06 (M)2023-12-22 |
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.
CVSS Score and Metrics +CVSS Score and Metrics -CVSS V2 Severity: |
CVSS Score : 5.8 |
Exploit Score: 6.5 |
Impact Score: 6.4 |
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CVSS V2 Metrics: |
Access Vector: ADJACENT_NETWORK |
Access Complexity: LOW |
Authentication: NONE |
Confidentiality: PARTIAL |
Integrity: PARTIAL |
Availability: PARTIAL |
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