Description
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.
References (11)
Core 11
Core References
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201504-04
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/62672
Vendor Advisory x_refsource_confirm
http://support.citrix.com/article/CTX201794
Vendor Advisory x_refsource_confirm
http://support.citrix.com/article/CTX200288
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2015/dsa-3140
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/62537
Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/71151
Patch, Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-110.html
Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/98768
Scores
EPSS
0.0007
EPSS Percentile
21.5%
Details
CWE
CWE-17
Status
published
Products (33)
debian/debian_linux
7.0
opensuse/opensuse
13.1
opensuse/opensuse
13.2
xen/xen
3.2.1
xen/xen
3.2.2
xen/xen
3.2.3
xen/xen
3.3.0
xen/xen
3.3.1
xen/xen
3.3.2
xen/xen
3.4.0
... and 23 more
Published
Nov 19, 2014
Tracked Since
Feb 18, 2026