CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:N/I:N/A:P
AI Score
Confidence
High
EPSS
Percentile
26.7%
arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction.
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
xen | xen | 3.2.1 | cpe:2.3:o:xen:xen:3.2.1:*:*:*:*:*:*:* |
xen | xen | 3.2.2 | cpe:2.3:o:xen:xen:3.2.2:*:*:*:*:*:*:* |
xen | xen | 3.2.3 | cpe:2.3:o:xen:xen:3.2.3:*:*:*:*:*:*:* |
xen | xen | 3.3.0 | cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:* |
xen | xen | 3.3.1 | cpe:2.3:o:xen:xen:3.3.1:*:*:*:*:*:*:* |
xen | xen | 3.3.2 | cpe:2.3:o:xen:xen:3.3.2:*:*:*:*:*:*:* |
xen | xen | 3.4.0 | cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:* |
xen | xen | 3.4.1 | cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:* |
xen | xen | 3.4.2 | cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:* |
lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
secunia.com/advisories/62537
secunia.com/advisories/62672
support.citrix.com/article/CTX200288
support.citrix.com/article/CTX201794
www.debian.org/security/2015/dsa-3140
www.securityfocus.com/bid/71151
xenbits.xen.org/xsa/advisory-110.html
exchange.xforce.ibmcloud.com/vulnerabilities/98768
security.gentoo.org/glsa/201504-04