VulnerabilityModified

CVE-2017-12137

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

HIGH 8.8EPSS 0.44%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.0: 8.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS: 0.44% probability · 37th percentile
CISA KEV: Not listed
Weakness: CWE-120
Affected: xen/xen · citrix/xenserver · debian/debian linux
Source: cve@mitre.org

References

http://www.debian.org/security/2017/dsa-3969Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/15/2Mailing List, Mitigation, Patch, Third Party Advisory
http://www.securityfocus.com/bid/100342Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039174Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-227.htmlPatch, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1477657Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201801-14Third Party Advisory
https://support.citrix.com/article/CTX225941Patch, Third Party Advisory
http://www.debian.org/security/2017/dsa-3969Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/15/2Mailing List, Mitigation, Patch, Third Party Advisory
http://www.securityfocus.com/bid/100342Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039174Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-227.htmlPatch, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1477657Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201801-14Third Party Advisory
https://support.citrix.com/article/CTX225941Patch, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.