PT-2014-8741 · Xen+2 · Xen+2

Jan Beulich · Published 2014-12-01 · Updated 2018-10-30 · CVE-2014-8867

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Xen versions 4.4.x, 3.2.x and earlier

Description The issue is related to the acceleration support for the "REP MOVS" instruction, which lacks proper bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor. This allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.

Recommendations For Xen versions 4.4.x, 3.2.x and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-17

Related Identifiers

CVE-2014-8867

DSA-3140-1

OPENSUSE-SU-2015_0226-1

OPENSUSE-SU-2015_0256-1

RHSA-2015:0783

RHSA-2015_0783

SUSE-SU-2015:0940-1

Affected Products

Red Hat

Suse

Xen

References · 79

• https://bdu.fstec.ru/vul/2015-09831 · Security Note
• https://bdu.fstec.ru/vul/2015-09830 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2014-8867 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9030 · Security Note
• http://rhn.redhat.com/errata/RHSA-2015-0783.html · Vendor Advisory
• https://security.gentoo.org/glsa/201504-04 · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-09828 · Security Note
• https://osv.dev/vulnerability/DSA-3140-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-09825 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8866 · Security Note
• https://ubuntu.com/security/CVE-2014-8867 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-09826 · Security Note
• https://security-tracker.debian.org/tracker/DSA-3140-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2014-8867 · Security Note