CVE-2019-14835CWE-120

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…

High · published September 17, 2019

CVSS v3.0
7.2
EPSS
1%
Percentile
49.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
7.2 · HIGH
Vector
CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00622 · 49.1th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2019-09-17T15:09Z
EPSS history
Timeline
  • 17 SEP 15:09Z
    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…
    cvelistv5