CVE-2018-19407

Published: Nov 21, 2018Modified: Nov 21, 2024

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

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.

Affected (5)

Products: Linux: Linux Kernel · Canonical: Ubuntu Linux

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Up to 4.19.2

Configuration B

4 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 14.04
Canonical Ubuntu Linux	Version 16.04
Canonical Ubuntu Linux	Version 18.04
Canonical Ubuntu Linux	Version 18.10

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (24)

http://www.securityfocus.com/bid/105987

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html

Source: cve@mitre.org

https://lkml.org/lkml/2018/11/20/580

Source: cve@mitre.org

PatchThird Party Advisory

https://usn.ubuntu.com/3871-1/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3871-3/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3871-4/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3871-5/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3872-1/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3878-1/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3878-2/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3879-1/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3879-2/

Source: cve@mitre.org

Third Party Advisory

http://www.securityfocus.com/bid/105987