CVE-2014-7155
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2014-7155
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2014-7155.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2014-7155
- Downstream
- Related
- Published
- 2014-10-02T14:55:05Z
- Modified
- 2025-08-09T20:01:26Z
- Summary
- [none]
- Details
-
The x86emulate function in arch/x86/x86emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.
- References
-
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
- http://secunia.com/advisories/61858
- http://secunia.com/advisories/61890
- http://security.gentoo.org/glsa/glsa-201412-42.xml
- http://support.citrix.com/article/CTX200218
- http://www.debian.org/security/2014/dsa-3041
- http://www.securityfocus.com/bid/70057
- http://www.securitytracker.com/id/1030888
- http://xenbits.xen.org/xsa/advisory-105.html