Main Vulnerability Database Vulnerabilities #VU152114

NULL pointer dereference in Linux kernel - CVE-2026-93286

Published: September 25, 2026

Vulnerability identifier: #VU152114

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-93286

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to a missing null pointer check in aarp_send_ddp() when sending AppleTalk packets through the LocalTalk fast path on a device without an AppleTalk interface configured. A local user can send an AppleTalk packet to cause a denial of service.

Affected software

Linux kernel

How to mitigate CVE-2026-93286

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins