PT-2026-36431 · Linux · Linux Kernel

Published 2026-05-01 · Updated 2026-05-06 · CVE-2026-43014

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 resource leak occurs in the net: macb component. Resources allocated using the clk register fixed rate() function are not properly released because the clk unregister fixed rate() function is not called, leading to a loss of these resources.

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

Related Identifiers

CVE-2026-43014

ECHO-58A6-E34D-69B7

Affected Products

Linux Kernel

References · 17

• https://git.kernel.org/stable/c/e35dbfdb1b7710f04ff5c9972ea04971d823a22d · Patch
• https://git.kernel.org/stable/c/015aa24d3721a05b40935b8af78b49cadf616b8d · Patch
• https://git.kernel.org/stable/c/ec1be2ce0d94506f11b22066fd6dc5eb4341b14f · Patch
• https://git.kernel.org/stable/c/f0f367a4f459cc8118aadc43c6bba53c60d93f8d · Patch
• https://git.kernel.org/stable/c/5392a5174df4f5a2fad2f00e8c617394d0efe031 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2026-43014 · Vendor Advisory
• https://git.kernel.org/stable/c/54c6f0e7682433abed0304ac2f5cb71a92d4b366 · Patch
• https://git.kernel.org/stable/c/6ec567425c057fd850651ee09b31d059ef960e0f · Patch
• https://cve.org/CVERecord?id=CVE-2026-43014 · Security Note
• https://ubuntu.com/security/CVE-2026-43014 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-43014 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-43014 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-43014 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-43014 · Vendor Advisory
• https://git.kernel.org/stable/c/e1f6f47d6e60d51c3294e5b85787e9aee24c450e · Patch