CVE-2017-12137

moderate-risk
Published 2017-08-24

arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
LOCAL / LOW complexity

Affected Products (9)

Xen

Affected Vendors

Xen Debian Citrix

References (16)

Third Party Advisory http://www.debian.org/security/2017/dsa-3969
Mailing List http://www.openwall.com/lists/oss-security/2017/08/15/2
Third Party Advisory http://www.securityfocus.com/bid/100342
Third Party Advisory http://www.securitytracker.com/id/1039174
Patch http://xenbits.xen.org/xsa/advisory-227.html
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1477657
Third Party Advisory https://security.gentoo.org/glsa/201801-14
Patch https://support.citrix.com/article/CTX225941
Third Party Advisory http://www.debian.org/security/2017/dsa-3969
Mailing List http://www.openwall.com/lists/oss-security/2017/08/15/2
Third Party Advisory http://www.securityfocus.com/bid/100342
Third Party Advisory http://www.securitytracker.com/id/1039174
Patch http://xenbits.xen.org/xsa/advisory-227.html
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1477657
Third Party Advisory https://security.gentoo.org/glsa/201801-14
Patch https://support.citrix.com/article/CTX225941
42
/ 100
moderate-risk
Severity 27/34 · High
Exploitability 0/34 · Minimal
Exposure 15/34 · Moderate