PT-2016-7431 · Linux+3 · Linux Kernel+3

Jotik · Published 2016-05-12 · Updated 2017-04-25 · CVE-2016-7916

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.5.4

Description A race condition exists in the environ read function, allowing local users to obtain sensitive information from kernel memory. This occurs when reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete.

Recommendations For Linux kernel versions prior to 4.5.4, update to version 4.5.4 or later to resolve the issue.

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

ALT-PU-2016-1490

ALT-PU-2017-1330

CVE-2016-7916

OPENSUSE-SU-2016_3061-1

SUSE-SU-2017:0333-1

SUSE-SU-2017:0437-1

SUSE-SU-2017:0494-1

SUSE-SU-2017:1102-1

USN-3159-1

USN-3159-2

USN-3160-1

USN-3160-2

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 287

• https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3 · Patch
• https://ubuntu.com/security/notices/USN-3159-2 · Vendor Advisory
• http://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-7916 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:0494-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3160-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-7916 · 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://osv.dev/vulnerability/DEBIAN-CVE-2016-7916 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-7916 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-7916 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:0333-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3159-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-6213 · Vendor Advisory