PT-2017-18627 · Linux+3 · Linux Kernel+3

Published 2017-03-20 · Updated 2019-10-03 · CVE-2017-8925

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.10.4

Description The issue allows local users to cause a denial of service, specifically tty exhaustion, by exploiting reference count mishandling in the omninet open function. This function is located in drivers/usb/serial/omninet.c.

Recommendations For Linux kernel versions prior to 4.10.4, update to version 4.10.4 or later to resolve the issue.

Fix

DoS

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

ALT-PU-2017-1313

ALT-PU-2018-1991

CVE-2017-8925

DLA-993-1

DSA-3886-1

SUSE-SU-2017:1853-1

SUSE-SU-2017:2342-1

SUSE-SU-2017:2389-1

SUSE-SU-2017:2525-1

SUSE-SU-2017:2908-1

SUSE-SU-2017:2920-1

USN-3359-1

USN-3360-1

USN-3360-2

USN-3361-1

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 556

• https://github.com/torvalds/linux/commit/30572418b445d85fcfe6c8fe84c947d2606767d8 · Patch
• https://linux.oracle.com/errata/ELSA-2020-5879.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-8925 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3361-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5546 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-2584 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3359-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9755 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-2596 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-9150 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-7472 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8964 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-8405 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3886-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6348 · Vendor Advisory