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CVE-2014-8594
Good to know:
Date: November 19, 2014
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).
Language: C
Severity Score
Related Resources (10)
Severity Score
Weakness Type (CWE)
Input Validation
CWE-20Top Fix
CVSS v3.1
Base Score: |
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---|---|
Attack Vector (AV): | ADJACENT_NETWORK |
Attack Complexity (AC): | HIGH |
Privileges Required (PR): | LOW |
User Interaction (UI): | NONE |
Scope (S): | UNCHANGED |
Confidentiality (C): | NONE |
Integrity (I): | NONE |
Availability (A): | HIGH |
CVSS v2
Base Score: |
|
---|---|
Access Vector (AV): | NETWORK |
Access Complexity (AC): | HIGH |
Authentication (AU): | NONE |
Confidentiality (C): | NONE |
Integrity (I): | NONE |
Availability (A): | COMPLETE |
Additional information: |