VULNERABILITY INTELLIGENCE

CVE-2018-19407

CVSS score5.5 MEDIUM
EPSS probability0.48%
CISA KEVNot currently listed
Published2018-11-21
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized.

Weakness classification

  • CWE-476: NULL Pointer Dereference

Primary references