CVE-2026-45982 ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()
A NULL pointer dereference in the Linux kernel's ACPICA component allows attackers to cause a system crash via a specific execution path.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-45982?
CVE-2026-45982 is a medium-severity vulnerability in Linux kernel, published on 27 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()
Cover a missed execution path with a new check.
Weakness: CWE-476
Which versions are affected by CVE-2026-45982?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-45982?
Apply the vendor's patch.
Is CVE-2026-45982 being exploited?
There is no known exploitation of CVE-2026-45982 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-45982, DEBIAN-CVE-2026-45982, GHSA-cx9f-vr2h-m23w, ROOT-OS-UBUNTU-2404-CVE-2026-45982, UBUNTU-CVE-2026-45982.