CVE-2018-19407
kernel: kvm: NULL pointer dereference in vcpu_scan_ioapic in arch/x86/kvm/x86.c
Severity
ModerateRed Hat Product Security
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 the vcpu_scan_ioapic() function in arch/x86/kvm/x86.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 · 4.4CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference