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.
Published 2019-09-17 16:15:11
Updated 2023-12-15 15:29:10
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Overflow

Products affected by CVE-2019-14835

Threat overview for CVE-2019-14835

Top countries where our scanners detected CVE-2019-14835
Top open port discovered on systems with this issue 80
IPs affected by CVE-2019-14835 84,940
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2019-14835!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-14835

0.10%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-14835

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
NIST
7.2
HIGH CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
0.6
6.0
Red Hat, Inc.
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2019-14835

References for CVE-2019-14835

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