PT-2026-38942 · Linux · Linux Kernel

Published 2026-05-08 · Updated 2026-05-21 · CVE-2026-43300

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 null-pointer dereference can occur in the jdi panel dsi remove() function. When the jdi variable is NULL, the function fails to return early and proceeds to call jdi panel disable(). Within jdi panel disable(), the jdi variable is dereferenced unconditionally, which can lead to a system crash.

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

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-43300

Affected Products

Linux Kernel

References · 17

• https://git.kernel.org/stable/c/83ce0085fabf757b039322928188ad78e962d609 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-43300 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-43300 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-43300 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43300 · Vendor Advisory
• https://git.kernel.org/stable/c/2f5427d8726b22b807beec248d7d6bf88e291e0b · Patch
• https://git.kernel.org/stable/c/95eed73b871111123a8b1d31cb1fce7e902e49ea · Patch
• https://security-tracker.debian.org/tracker/CVE-2026-43300 · Vendor Advisory
• https://git.kernel.org/stable/c/ec2f37bbb733cdd7ed7d04171fca728a532414d5 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2026-43300 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-43300 · Security Note
• https://twitter.com/windowsforum/status/2053765615765103085 · Twitter Post
• https://docs.bell-sw.com/security/cves/CVE-2026-43300 · Note
• https://git.kernel.org/linus/95eed73b871111123a8b1d31cb1fce7e902e49ea · Note
• https://twitter.com/CVEnew/status/2053174643679211598 · Twitter Post