PT-2017-13274 · Linux+5 · Linux Kernel+5

Otto Ebeling · Published 2017-08-27 · Updated 2018-07-09 · CVE-2017-14140

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 4.12.9

Description The issue allows a local attacker to learn the memory layout of a setuid executable despite Address Space Layout Randomization (ASLR). This is due to the move pages system call not checking the effective uid of the target process.

Recommendations For Linux kernel versions prior to 4.12.9, update to version 4.12.9 or later to resolve the issue.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2017-2114

ALT-PU-2018-1991

CESA-2018_1062

CVE-2017-14140

DLA-1099-1

DSA-3981-1

RHSA-2018:0676

RHSA-2018:1062

RHSA-2018_0676

RHSA-2018_1062

SUSE-SU-2017:2694-1

SUSE-SU-2017:2908-1

SUSE-SU-2017:2920-1

SUSE-SU-2017:3265-1

SUSE-SU-2018:0040-1

USN-3444-1

USN-3444-2

USN-3583-1

USN-3583-2

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 301

• https://github.com/torvalds/linux/commit/197e7e521384a23b9e585178f3f11c9fa08274b9 · Patch
• https://cve.org/CVERecord?id=CVE-2017-14140 · Security Note
• https://access.redhat.com/errata/RHSA-2018:0676 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-14156 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3981-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-15274 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-7889 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3583-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-12192 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3583-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-15102 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-14140 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2017:2920-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-17450 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-8824 · Vendor Advisory