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CVE-2015-7835
CVE information
Published
Last Modified
CVSSv2.0 Severity
Impact Analysis
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..
CVSSv2.0 Score
- Severity
- High
- Base Score
- 7.2/10
- Exploit Score
- 3.9/10
- Access Vector
- Local
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 10/10
- Confidentiality Impact
- Complete
- Availability Impact
- Complete
- Integrity Impact
- Complete
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.4.1:-:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.1.6.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- http://xenbits.xen.org/xsa/advisory-148.html
- https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-022-2015.txt
- http://www.securityfocus.com/bid/77366
- http://support.citrix.com/article/CTX202404
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
- http://www.securitytracker.com/id/1034032
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
- http://www.debian.org/security/2015/dsa-3390
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
- https://security.gentoo.org/glsa/201604-03