PT-2014-8642 · Xen+1 · Xen+1

Jan Beulich · Published 2014-11-19 · Updated 2018-10-30 · CVE-2014-8595

Positive Technologies (AI Summary)

CVSS v2.0

1.9

Low

Base vector

AV:L/AC:M/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions Xen versions 3.2.1 through 4.4.x

Description The issue is related to a privilege checking problem in the x86 emulate.c file. This allows local HVM guest users to potentially gain privileges or cause a denial of service by using crafted far branch instructions, including CALL, JMP, RETF, LCALL, LJMP, or LRET.

Recommendations For Xen versions 3.2.1 through 4.4.x, update to a version that includes the fix for this privilege checking issue.

Fix

DoS

Weakness Enumeration

CWE-17

Related Identifiers

CVE-2014-8595

DSA-3140-1

OPENSUSE-SU-2015_0226-1

OPENSUSE-SU-2015_0256-1

SUSE-SU-2015:0940-1

Affected Products

Suse

Xen

References · 60

• https://osv.dev/vulnerability/DEBIAN-CVE-2014-8595 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9030 · Security Note
• https://security.gentoo.org/glsa/201504-04 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3140-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8866 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2014-8595 · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/DSA-3140-1 · Vendor Advisory
• http://xenbits.xen.org/xsa/advisory-110.html · Vendor Advisory
• http://debian.org/security/2015/dsa-3140 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/xen · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2014-8595 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2014-8595 · Security Note
• https://ubuntu.com/security/CVE-2014-8595 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2014-8595 · Vendor Advisory