CVE-2017-13695
kernel: ACPI operand cache leak in nseval.c
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · July 19, 2017
Updated · May 13, 2026
Description
A flaw was found in the Linux kernel's ACPI subsystem where a function does not flush the operand cache and causes a kernel stack dump. This allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism when using a specially crafted ACPI table.
Statement
Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate 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/
The Red Hat Security Response Team has rated this issue as having moderate security impact.
The risks associated with fixing this bug are greater than the moderate severity security risk. We therefore currently have no plans to fix this flaw in Red Hat Enterprise Linux 5,6,7 and Red Hat Enterprise MRG.
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 · 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor