CVE-2014-8595

Severity: low (CVSS 1.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-11-19 · updated 2026-06-17
Weakness: CWE-17

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.

Affected products

Debian Linux: 7.0
Opensuse: 13.1, 13.2
xen: 3.2.1, 3.2.2, 3.2.3, 3.3.0, 3.3.1, 3.3.2 (+24)

References

http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
http://secunia.com/advisories/62537
http://secunia.com/advisories/62672
http://support.citrix.com/article/CTX200288
http://support.citrix.com/article/CTX201794
http://www.debian.org/security/2015/dsa-3140
http://www.securityfocus.com/bid/71151
http://xenbits.xen.org/xsa/advisory-110.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/98768
https://security.gentoo.org/glsa/201504-04
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html

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