CVE-2018-19406 — MEDIUM (5.5)

Q: How severe is CVE-2018-19406?

CVE-2018-19406 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2018-19406?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.

Vulnerability 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.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.19.2

Related Weaknesses (CWE)

CWE-476

References

http://www.securityfocus.com/bid/105988Third Party AdvisoryVDB Entry
https://lkml.org/lkml/2018/11/20/411PatchThird Party Advisory
http://www.securityfocus.com/bid/105988Third Party AdvisoryVDB Entry
https://lkml.org/lkml/2018/11/20/411PatchThird Party Advisory

FAQ

What is CVE-2018-19406?

CVE-2018-19406 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 situ...

How severe is CVE-2018-19406?

CVE-2018-19406 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-19406?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.