National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2017-11472 Detail

Current Description

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, which allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism (in the kernel through 4.9) via a crafted ACPI table.

Source:  MITRE
Description Last Modified:  07/20/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.1 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N (V3 legend)
Impact Score: 5.2
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 3.6 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:N) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3b2d69114fefa474fca542e51119036dceb4aa6f Issue Tracking Patch Third Party Advisory
https://github.com/acpica/acpica/commit/a23325b2e583556eae88ed3f764e457786bf4df6 Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/3b2d69114fefa474fca542e51119036dceb4aa6f Issue Tracking Patch Third Party Advisory
https://usn.ubuntu.com/3619-1/
https://usn.ubuntu.com/3619-2/
https://usn.ubuntu.com/3754-1/

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)
  • Improper Access Control (CWE-284)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-11472
NVD Published Date:
07/20/2017
NVD Last Modified:
08/24/2018