PT-2018-18402 · Linux+3 · Linux Kernel+3

Published 2018-03-10 · Updated 2024-06-15 · CVE-2018-8043

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 4.15.9

Description: The issue is related to the unimac mdio probe function in the Linux kernel, which does not validate certain resource availability. This allows local users to cause a denial of service through a NULL pointer dereference.

Recommendations: For versions prior to 4.15.9, update to version 4.15.9 or later to resolve the issue. As a temporary workaround, consider restricting access to the unimac mdio probe function to minimize the risk of exploitation.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2018-1557

ALT-PU-2019-1433

CVE-2018-8043

OPENSUSE-SU-2018_0972-1

OPENSUSE-SU-2024:10728-1

OPENSUSE-SU-2024:13704-1

SUSE-SU-2018:1048-1

SUSE-SU-2018:1173-1

SUSE-SU-2018:1173-2

SUSE-SU-2018:1217-1

USN-3619-1

USN-3619-2

USN-3630-1

USN-3630-2

USN-3632-1

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 384

• https://github.com/torvalds/linux/commit/297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2018-8043 · Security Note
• https://ubuntu.com/security/CVE-2017-16536 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-16537 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3630-2 · Vendor Advisory
• https://usn.ubuntu.com/3619-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-1000026 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-17448 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2018-4307.html · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3619-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-6927 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-5332 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-17805 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-7492 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-7518 · Vendor Advisory