CVE-2016-3961

Summary

Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://xenbits.xen.org/xsa/xsa174.patch
• http://www.ubuntu.com/usn/USN-3006-1
• http://www.ubuntu.com/usn/USN-3004-1
• http://www.ubuntu.com/usn/USN-3001-1
• http://xenbits.xen.org/xsa/advisory-174.html
• http://www.ubuntu.com/usn/USN-3005-1
• http://www.securitytracker.com/id/1035569
• http://www.ubuntu.com/usn/USN-3049-1
• http://www.debian.org/security/2016/dsa-3607
• http://www.ubuntu.com/usn/USN-3002-1
• http://www.ubuntu.com/usn/USN-3050-1
• http://www.ubuntu.com/usn/USN-3007-1
• http://www.ubuntu.com/usn/USN-3003-1
• http://www.securityfocus.com/bid/86068

References

• http://xenbits.xen.org/xsa/xsa174.patch
• http://www.ubuntu.com/usn/USN-3006-1
• http://www.ubuntu.com/usn/USN-3004-1
• http://www.ubuntu.com/usn/USN-3001-1
• http://xenbits.xen.org/xsa/advisory-174.html
• http://www.ubuntu.com/usn/USN-3005-1
• http://www.securitytracker.com/id/1035569
• http://www.ubuntu.com/usn/USN-3049-1
• http://www.debian.org/security/2016/dsa-3607
• http://www.ubuntu.com/usn/USN-3002-1
• http://www.ubuntu.com/usn/USN-3050-1
• http://www.ubuntu.com/usn/USN-3007-1
• http://www.ubuntu.com/usn/USN-3003-1
• http://www.securityfocus.com/bid/86068

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