The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-7092 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
Base Score | 6 |
---|---|
Base Metrics | AV:N/AC:M/Au:S/C:P/I:P/A:P |
Access Vector | Network |
Access Complexity | Medium |
Authentication | Single |
Confidentiality Impact | Partial |
Integrity Impact | Partial |
Availability Impact | Partial |
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 8.5 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
Attack Vector | Network |
Attack Complexity | High |
Privileges Required | Low |
User Interaction | None |
Scope | Changed |
Confidentiality | High |
Integrity Impact | High |
Availability Impact | High |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 5 | xen | Will not fix |