CVE-2017-11472

Impact:
Low
Public Date:
2017-04-26
CWE:
CWE-209
Bugzilla:
1473214: CVE-2017-11472 kernel: ACPI operand cache leak in acpi_ns_terminate()
The acpi_ns_terminate() function in drivers/acpi/acpica/nsutils.c in the Linux kernel before 4.12 does not flush the operand cache and causes a kernel stack dump. A local users could obtain sensitive information from kernel memory and bypass the KASLR protection mechanism (in the kernel through 4.9) via a crafted ACPI table.

Find out more about CVE-2017-11472 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2 as the code with the flaw is not present in the products listed.

CVSS v3 metrics

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

CVSS3 Base Score 2.9
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Local
Attack Complexity High
Privileges Required None
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 Not affected
Red Hat Enterprise Linux 7 kernel Not affected
Red Hat Enterprise Linux 7 kernel-rt Not affected
Red Hat Enterprise Linux 7 kernel-alt Will not fix
Red Hat Enterprise Linux 6 kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected

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