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CVE-2019-14835 Detail

Description

A buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host.


Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/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:  7.2 HIGH
Vector:  CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H


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/2019-09/msg00064.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html Mailing List  Third Party Advisory 
http://packetstormsecurity.com/files/154572/Kernel-Live-Patch-Security-Notice-LSN-0056-1.html Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html Third Party Advisory  VDB Entry 
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01-qemu-en Third Party Advisory 
http://www.openwall.com/lists/oss-security/2019/09/24/1 Mailing List 
http://www.openwall.com/lists/oss-security/2019/10/03/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2019/10/09/3 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2019/10/09/7 Mailing List  Third Party Advisory 
https://access.redhat.com/errata/RHBA-2019:2824 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2827 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2828 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2829 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2830 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2854 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2862 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2863 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2864 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2865 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2866 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2867 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2869 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2889 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2899 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2900 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2901 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2924 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14835 Issue Tracking  Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2019/10/msg00000.html Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQFY6JYFIQ2VFQ7QCSXPWTUL5ZDNCJL5/ Mailing List 
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3QNMPENPFEGVTOFPSNOBL7JEIJS25P/ Mailing List 
https://seclists.org/bugtraq/2019/Nov/11 Issue Tracking  Mailing List  Third Party Advisory 
https://seclists.org/bugtraq/2019/Sep/41 Issue Tracking  Mailing List  Third Party Advisory 
https://security.netapp.com/advisory/ntap-20191031-0005/ Third Party Advisory 
https://usn.ubuntu.com/4135-1/ Third Party Advisory 
https://usn.ubuntu.com/4135-2/ Third Party Advisory 
https://www.debian.org/security/2019/dsa-4531 Third Party Advisory 
https://www.openwall.com/lists/oss-security/2019/09/17/1 Exploit  Mailing List  Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') cwe source acceptance level NIST   Provider acceptance level Red Hat, Inc.  

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Change History

34 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-14835
NVD Published Date:
09/17/2019
NVD Last Modified:
12/15/2023
Source:
Red Hat, Inc.