CVE-2018-19407

Public on 2018-12-17
Modified on 2018-12-20
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.
Severity
Medium
CVSS v3 Base Score
4.4
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 kernel 2018-12-17 19:37 ALAS2-2018-1133
Amazon Linux 1 kernel 2018-12-20 00:02 ALAS-2018-1133

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.4 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C
NVD CVSSv3 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H