CVE-2014-8134
kernel: x86: espfix not working for 32-bit KVM paravirt guests
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · December 5, 2014
Updated · November 21, 2025
Description
It was found that the espfix functionality does not work for 32-bit KVM paravirtualized guests. A local, unprivileged guest user could potentially use this flaw to leak kernel stack addresses.
Statement
This issue did not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 7, and Red Hat Enterprise Linux MRG 2.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 1.9AV:L/AC:M/Au:N/C:P/I:N/A:N
CWE not specified