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CVE-2015-7835 Detail

Description

The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
http://support.citrix.com/article/CTX202404
http://support.citrix.com/article/CTX202404
http://www.debian.org/security/2015/dsa-3390
http://www.debian.org/security/2015/dsa-3390
http://www.securityfocus.com/bid/77366
http://www.securityfocus.com/bid/77366
http://www.securitytracker.com/id/1034032
http://www.securitytracker.com/id/1034032
http://xenbits.xen.org/xsa/advisory-148.html Vendor Advisory 
http://xenbits.xen.org/xsa/advisory-148.html Vendor Advisory 
https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-022-2015.txt Vendor Advisory 
https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-022-2015.txt Vendor Advisory 
https://security.gentoo.org/glsa/201604-03
https://security.gentoo.org/glsa/201604-03

Weakness Enumeration

CWE-ID CWE Name Source
CWE-264 Permissions, Privileges, and Access Controls cwe source acceptance level NIST  
CWE-20 Improper Input Validation cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-7835
NVD Published Date:
10/30/2015
NVD Last Modified:
11/20/2024
Source:
MITRE