CVE-2017-2596
Kernel: kvm: page reference leakage in handle_vmon
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · January 24, 2017
Updated · June 28, 2026
Description
Linux kernel built with the KVM visualization support (CONFIG_KVM), with nested visualization(nVMX) feature enabled(nested=1), is vulnerable to host memory leakage issue. It could occur while emulating VMXON instruction in 'handle_vmon'. An L1 guest user could use this flaw to leak host memory potentially resulting in DoS.
Statement
This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise 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 3.0 · 5.8CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0 · 4.3AV:A/AC:H/Au:S/C:N/I:N/A:C
CWE-772 · Missing Release of Resource after Effective Lifetime