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CVE-2018-19406

kernel: kvm: NULL pointer dereference in kvm_pv_send_ipi in arch/x86/kvm/lapic.c

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.0

Review impact separately from score.

Published · November 20, 2018

Updated · June 28, 2026

Description

A NULL pointer dereference security flaw was found in the Linux kernel in kvm_pv_send_ipi() in arch/x86/kvm/lapic.c. This allows local users with certain privileges to cause a denial of service via a crafted system call to the KVM subsystem.

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 3.0 · 4.4
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference