CVE-2018-19407

2018-11-2000:00:00

ubuntu.com

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

Percentile

5.1%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-44.47UNKNOWN
ubuntu18.10noarchlinux< 4.18.0-14.15UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-142.168UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1032.34UNKNOWN
ubuntu18.10noarchlinux-aws< 4.18.0-1008.10UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1038.41UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1075.85UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1032.34~16.04.1UNKNOWN
ubuntu18.04noarchlinux-azure< 4.15.0-1037.39UNKNOWN
ubuntu18.10noarchlinux-azure< 4.18.0-1008.8UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-44.47	UNKNOWN
ubuntu	18.10	noarch	linux	< 4.18.0-14.15	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-142.168	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1032.34	UNKNOWN
ubuntu	18.10	noarch	linux-aws	< 4.18.0-1008.10	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1038.41	UNKNOWN
ubuntu	16.04	noarch	linux-aws	< 4.4.0-1075.85	UNKNOWN
ubuntu	16.04	noarch	linux-aws-hwe	< 4.15.0-1032.34~16.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-azure	< 4.15.0-1037.39	UNKNOWN
ubuntu	18.10	noarch	linux-azure	< 4.18.0-1008.8	UNKNOWN