PT-2016-4998 · Alt+6 · Alt Linux+5

Andrej Nemec · Published 2016-01-13 · Updated 2018-01-05 · CVE-2016-2069

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.4.1 ALT Linux (affected versions not specified)

Description A race condition exists in the Linux kernel, specifically in the arch/x86/mm/tlb.c file, which can be exploited by local users to gain privileges. This issue arises when a different CPU triggers access to a paging structure.

Recommendations For Linux kernel versions prior to 4.4.1, update to version 4.4.1 or later to resolve the issue. For ALT Linux, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

ALT-PU-2016-1018

ALT-PU-2016-1485

CESA-2016_2574

CESA-2017_0817

CVE-2016-2069

DLA-412-1

DSA-3503-1

OPENSUSE-SU-2016_0537-1

OPENSUSE-SU-2016_1008-1

OPENSUSE-SU-2016_3021-1

RHSA-2016:2574

RHSA-2016:2584

RHSA-2016_2574

RHSA-2016_2584

RHSA-2017:0817

RHSA-2017_0817

SUSE-SU-2016:0585-1

SUSE-SU-2016:0785-1

SUSE-SU-2016:0911-1

SUSE-SU-2016:1102-1

SUSE-SU-2016:1203-1

SUSE-SU-2016:2074-1

SUSE-SU-2016:3304-1

USN-2908-1

USN-2908-2

USN-2908-3

USN-2931-1

USN-2932-1

USN-2967-1

USN-2967-2

USN-2989-1

USN-2998-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 489

• https://github.com/torvalds/linux/commit/71b3c126e61177eb693423f2e18a1914205b165e · Vendor Advisory
• http://ubuntu.com/usn/USN-2989-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8767 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-2546 · Vendor Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71b3c126e61177eb693423f2e18a1914205b165e · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-2069 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3503-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-4581 · Vendor Advisory
• http://ubuntu.com/usn/USN-2967-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-2187 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-3951 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:2074-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-2544 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:0785-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-3672 · Vendor Advisory