VDB
CVE-2014-7155
CVE-2014-7155
PUBLISHED
The x86_emulate function in arch/x86/x86_emulate/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.
EPSS 0.97% · 58.5th percentile
Risk Scores
EPSS Score
0.97%
58.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:14.04:LTS | xen | 0, 4.3.0-1ubuntu1, 4.3.0-1ubuntu2 |
Timeline
- Nov 22, 2012 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- May 14, 2022 CVE Updated
- May 20, 2022 EPSS Score
- Jul 12, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Oct 26, 2022 EPSS Score
- Dec 18, 2022 EPSS Score
- Feb 9, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 2, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2014-7155 third-party-advisory
- http://xenbits.xen.org/xsa/advisory-105.html third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2014-7155 third-party-advisory