PT-2026-37483 · Linux+1 · Linux Kernel+1

CVE-2026-43143 · Published 2026-05-06 · Updated 2026-07-28

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 (affected versions not specified)

Description A lack of mutual exclusion when manipulating the mfd of node list list in the kernel can lead to potential system crashes. This occurs because accessing or modifying the list without proper locking mechanisms is unsafe.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2026-43143

SUSE-SU-2026:3130-1

SUSE-SU-2026:3166-1

USN-8492-1

USN-8492-2

USN-8492-3

USN-8492-4

USN-8492-5

USN-8497-1

USN-8498-1

USN-8499-1

USN-8606-1

USN-8607-1

USN-8609-1

USN-8619-1

Affected Products

Linuxmint

Linux Kernel

References · 2532

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43143.json · Exploit
• https://ubuntu.com/security/CVE-2026-31730 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43445 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31720 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45938 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-63860 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45991 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68736 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43227 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23343 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45999 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-53304 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31725 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-46018 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23339 · Vendor Advisory