CVE-2014-8595
low
CVSS v3
—
CVSS v2
1.9
VIR risk
1.9
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2014-8595
Vendor advisory: cve@mitre.org — http://xenbits.xen.org/xsa/advisory-110.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| suse | 13.1 | affected | |
| suse | 13.2 | affected | |
| debian | 7.0 | affected | |
| debian | bookworm | fixed | 4.4.1-4 |
| debian | bullseye | fixed | 4.4.1-4 |
| debian | forky | fixed | 4.4.1-4 |
| debian | sid | fixed | 4.4.1-4 |
| debian | trixie | fixed | 4.4.1-4 |
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
- https://security-tracker.debian.org/tracker/CVE-2014-8595
CWEs
CWE-17
Verify integrity in audit chain (admin only). AS-IS.