CVE-2017-13694

Impact:
Moderate
Public Date:
2017-06-23
CWE:
CWE-200
Bugzilla:
1485348: CVE-2017-13694 kernel: ACPI node and node_ext cache leak
The ACPI parsing functionality in the Linux kernel does not flush the node and node_ext caches which causes a kernel stack dump. This allows local users to obtain sensitive information from kernel memory and use this information to bypass the KASLR protection mechanism by creating and applying crafted ACPI table.

Find out more about CVE-2017-13694 from the MITRE CVE dictionary dictionary and NIST NVD.

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 v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 3.3
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Impact None
Availability Impact None

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Will not fix
Red Hat Enterprise Linux 7 acpica-tools Will not fix
Red Hat Enterprise Linux 7 kernel Will not fix
Red Hat Enterprise Linux 7 kernel-rt Will not fix
Red Hat Enterprise Linux 7 kernel-alt Will not fix
Red Hat Enterprise Linux 6 kernel Will not fix
Red Hat Enterprise Linux 5 kernel Will not fix

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