CVE detail
CVE-2014-7155 — CVE-2014-7155
Published 2014-10-02 · Modified 2026-06-17 · Vendor xen · Product xen · Source nvd
UNKNOWN
severity
CVSS-derived band
0.0097
EPSS probability
exploitation probability, 30d
59.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
Description
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.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References