CVE-2018-19406

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-11-21 · updated 2026-06-17
Weakness: CWE-476

Description

kvm_pv_send_ipi in arch/x86/kvm/lapic.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 the apic map is uninitialized.

Affected products

Linux kernel: through 4.19.2

References

http://www.securityfocus.com/bid/105988
https://lkml.org/lkml/2018/11/20/411
http://www.securityfocus.com/bid/105988
https://lkml.org/lkml/2018/11/20/411

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