GLSA-202101-22 : libvirt: Unintended access to /dev/mapper/control

high Nessus Plugin ID 145425

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202101-22 (libvirt: Unintended access to /dev/mapper/control)

A file descriptor for /dev/mapper/control was insufficiently protected.
Impact :

A local attacker may be able to escalate to root privileges.
Workaround :

There is no known workaround at this time.

Solution

All libvirt users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=app-emulation/libvirt-6.7.0'

See Also

https://security.gentoo.org/glsa/202101-22

Plugin Details

Severity: High

ID: 145425

File Name: gentoo_GLSA-202101-22.nasl

Version: 1.3

Type: local

Published: 1/26/2021

Updated: 1/26/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2020-14339

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:libvirt, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/26/2021

Vulnerability Publication Date: 12/3/2020

Reference Information

CVE: CVE-2020-14339

GLSA: 202101-22