Vulnerability in Xen
CVE-2014-8595
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 1.9 (Low). Vector: AV:L/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (33.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Xen — versions 3.2.1, 3.2.2, 3.2.3
- Debian Linux — versions 7.0
- openSUSE — versions 13.1, 13.2
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201504-04 (vendor-advisory)
- secunia.com/advisories/62672 (third-party-advisory)
- support.citrix.com/article/CTX201794
- support.citrix.com/article/CTX200288
- www.debian.org/security/2015/dsa-3140 (vendor-advisory, Third Party Advisory)
- secunia.com/advisories/62537 (third-party-advisory)
- lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/71151 (vdb-entry)
- xenbits.xen.org/xsa/advisory-110.html (Patch, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html (vendor-advisory, Third Party Advisory)