PT-2016-7679 · Linux+3 · Linux Kernel+3

Andrej Nemec · Published 2016-09-26 · Updated 2017-09-18 · CVE-2016-9178

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 4.7.5

Description The issue allows local users to obtain sensitive information from kernel stack memory by triggering failure of a get user ex call, due to the get user asm ex macro in arch/x86/include/asm/uaccess.h not initializing a certain integer variable.

Recommendations For versions prior to 4.7.5, update to version 4.7.5 or later to resolve the issue.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2016-2022

ALT-PU-2017-1330

CVE-2016-9178

DLA-772-1

OPENSUSE-SU-2016_3058-1

USN-3161-3

USN-3422-1

USN-3422-2

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 48

• https://github.com/torvalds/linux/commit/1c109fabbd51863475cd12ac206bdd249aee35af · Patch
• https://security-tracker.debian.org/tracker/CVE-2016-9178 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-10044 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-9178 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-9178 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9754 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8964 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9604 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-9178 · Security Note
• https://ubuntu.com/security/notices/USN-3422-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9178 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5970 · Vendor Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1c109fabbd51863475cd12ac206bdd249aee35af · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-9178 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-9178 · Security Note