PT-2016-7816 · Linux+3 · Linux Kernel+3

Dmitry Vyukov · Published 2016-12-05 · Updated 2017-04-25 · CVE-2016-9756

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.8.12

Description The issue allows local users to obtain sensitive information from kernel stack memory via a crafted application due to improper initialization of Code Segment (CS) in certain error cases.

Recommendations For versions prior to 4.8.12, update to version 4.8.12 or later to resolve the issue.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2016-2405

ALT-PU-2017-1330

CVE-2016-9756

DLA-772-1

MGASA-2016-0415

MGASA-2017-0003

MGASA-2017-0004

OPENSUSE-SU-2017_0002-1

SUSE-SU-2017:0333-1

SUSE-SU-2017:0407-1

SUSE-SU-2017:0437-1

SUSE-SU-2017:0464-1

SUSE-SU-2017:0471-1

SUSE-SU-2017:0494-1

SUSE-SU-2017:1102-1

USN-3167-1

USN-3167-2

USN-3168-1

USN-3168-2

USN-3169-1

USN-3169-2

USN-3170-1

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 418

• https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0c · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3167-2 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0003 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:0407-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9806 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:0494-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3169-2 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3168-2 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2017-3533.html · Vendor Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216c0c · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-9756 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-9756 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:1102-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:0437-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-9756 · Security Note