6.8 Medium
AI Score
Confidence
High
7.1 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
0.003 Low
EPSS
Percentile
68.6%
The do_mmu_update function in arch/x86/mm.c in Xen 3.2.x through 4.4.x does not properly manage page references, which allows remote domains to cause a denial of service by leveraging control over an HVM guest and a crafted MMU_MACHPHYS_UPDATE.
lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
secunia.com/advisories/62672
www.debian.org/security/2015/dsa-3140
www.securityfocus.com/bid/71207
xenbits.xen.org/xsa/advisory-113.html
exchange.xforce.ibmcloud.com/vulnerabilities/98853
security.gentoo.org/glsa/201504-04