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Status published
High
CVE-2019-14835
A buffer overflow flaw was found, in versions from 2.6.34...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14835
- https://www.openwall.com/lists/oss-security/2019/09/17/1
- https://usn.ubuntu.com/4135-2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQFY6JYFIQ2VFQ7QCSXPWTUL5ZDNCJL5/
- https://access.redhat.com/errata/RHSA-2019:2827
- https://access.redhat.com/errata/RHSA-2019:2828
- https://access.redhat.com/errata/RHSA-2019:2830
- https://access.redhat.com/errata/RHSA-2019:2829
- https://access.redhat.com/errata/RHSA-2019:2854
- https://access.redhat.com/errata/RHSA-2019:2862
- https://access.redhat.com/errata/RHSA-2019:2863
- https://access.redhat.com/errata/RHSA-2019:2866
- https://access.redhat.com/errata/RHSA-2019:2864
- https://access.redhat.com/errata/RHSA-2019:2865
- https://access.redhat.com/errata/RHSA-2019:2867
- https://access.redhat.com/errata/RHSA-2019:2869
- http://packetstormsecurity.com/files/154572/Kernel-Live-Patch-Security-Notice-LSN-0056-1.html
- http://www.openwall.com/lists/oss-security/2019/09/24/1
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
- https://access.redhat.com/errata/RHSA-2019:2889
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
- https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html
- https://seclists.org/bugtraq/2019/Sep/41
- https://www.debian.org/security/2019/dsa-4531
- https://access.redhat.com/errata/RHSA-2019:2900
- https://access.redhat.com/errata/RHSA-2019:2901
- https://access.redhat.com/errata/RHSA-2019:2899
- https://access.redhat.com/errata/RHSA-2019:2924
- https://usn.ubuntu.com/4135-1/
- https://lists.debian.org/debian-lts-announce/2019/10/msg00000.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3QNMPENPFEGVTOFPSNOBL7JEIJS25P/
- http://www.openwall.com/lists/oss-security/2019/10/03/1
- http://www.openwall.com/lists/oss-security/2019/10/09/3
- http://www.openwall.com/lists/oss-security/2019/10/09/7
- https://access.redhat.com/errata/RHBA-2019:2824
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
- https://security.netapp.com/advisory/ntap-20191031-0005/
- https://seclists.org/bugtraq/2019/Nov/11
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01-qemu-en
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Affected Vendor
Linux Kernel
View all reports →Affected Software
Linux kernel
Vulnerable Versions:
from version 2.6.34 to 5.2.x
Timeline
Official Publish:
September 17th, 2019
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H