CVE-2019-14835

kernel: vhost-net: guest to host kernel escape during migration

Published Sep 17, 2019 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1930-1 linux security update
Debian DLA Debian DLA DLA-1940-1 linux-4.9 security update
Debian DSA Debian DSA DSA-4531-1 linux security update
EUVD EUVD EUVD-2019-5961 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.
Ubuntu USN Ubuntu USN USN-4135-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4135-2 Linux kernel vulnerabilities
References
Link Providers
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html cve-icon cve-icon
http://packetstormsecurity.com/files/154572/Kernel-Live-Patch-Security-Notice-LSN-0056-1.html cve-icon cve-icon
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html cve-icon cve-icon
http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html cve-icon cve-icon
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01-qemu-en cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2019/09/24/1 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2019/10/03/1 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2019/10/09/3 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2019/10/09/7 cve-icon cve-icon
https://access.redhat.com/errata/RHBA-2019:2824 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2827 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2828 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2829 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2830 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2854 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2862 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2863 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2864 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2865 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2866 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2867 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2869 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2889 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2899 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2900 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2901 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2924 cve-icon cve-icon
https://access.redhat.com/security/vulnerabilities/kernel-vhost cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14835 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2019/10/msg00000.html cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQFY6JYFIQ2VFQ7QCSXPWTUL5ZDNCJL5/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3QNMPENPFEGVTOFPSNOBL7JEIJS25P/ cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2019-14835 cve-icon
https://seclists.org/bugtraq/2019/Nov/11 cve-icon cve-icon
https://seclists.org/bugtraq/2019/Sep/41 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20191031-0005/ cve-icon cve-icon
https://usn.ubuntu.com/4135-1/ cve-icon cve-icon
https://usn.ubuntu.com/4135-2/ cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2019-14835 cve-icon
https://www.debian.org/security/2019/dsa-4531 cve-icon cve-icon
https://www.openwall.com/lists/oss-security/2019/09/17/1 cve-icon cve-icon cve-icon
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 5, 2024, 12:26 AM
Reserved
Aug 10, 2019, 12:00 AM
Status
Modified
Published
Sep 17, 2019, 4:15 PM
Modified
Jun 17, 2026, 2:19 AM
Severity
Important
Public date
Sep 17, 2019, 12:00 AM