CVE-2018-16880 Detail

Current Description

A flaw was found in the Linux kernel's handle_rx() function in the [vhost_net] driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out. Versions from v4.16 and newer are vulnerable.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.0 HIGH
Vector:  CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Nist CVSS score does not match with CNA score
CNA:  Red Hat, Inc.
Base Score:  5.9 MEDIUM
Vector:  CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: It is possible that the NVD CVSS may not match that of the CNA. The most common reason for this is that publicly available information does not provide sufficient detail or that information simply was not available at the time the CVSS vector string was assigned.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html
http://www.securityfocus.com/bid/106735 Third Party Advisory  VDB Entry 
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16880 Issue Tracking  Patch  Third Party Advisory 
https://support.f5.com/csp/article/K03593314
https://usn.ubuntu.com/3903-1/ Third Party Advisory 
https://usn.ubuntu.com/3903-2/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write cwe source acceptance level NIST   Reference acceptance level Red Hat, Inc.  

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-16880
NVD Published Date:
01/29/2019
NVD Last Modified:
05/16/2019
Source:
MITRE