CVE-2026-89912
kernel: KVM: arm64: vgic-its: Don't dereference a NULL collection on ITT save
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 16, 2026
Updated · October 31, 2026
Description
A flaw was found in the Linux kernel's KVM (Kernel-based Virtual Machine) for ARM64 architecture, specifically within the vgic-its component. A malicious guest virtual machine could trigger a null pointer dereference on the host system during a migration save operation. This could lead to a denial of service for the host.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference