CVE Database›CVE-2017-17741

CVE-2017-17741

kernel: kvm: stack-based out-of-bounds read via vmcall instruction

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Severity

Low

Red Hat Product Security

4.1

CVSS 3.0

Review impact separately from score.

Published · December 11, 2017

Updated · June 28, 2026

Description

Linux kernel compiled with the KVM virtualization (CONFIG_KVM) support is vulnerable to an out-of-bounds read access issue. It could occur when emulating vmcall instructions invoked by a guest. A guest user/process could use this flaw to disclose kernel memory bytes.

Statement

This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2.

This issue affects the versions of Linux kernel as shipped with Red Hat Enterprise Linux 6 and 7.

This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

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 · 4.1
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

CVSS 2.0 · 2.3
AV:A/AC:M/Au:S/C:P/I:N/A:N

CWE-125 · Out-of-bounds Read