RHEL 7 : qemu-kvm-ma (RHSA-2021:0346)

medium Nessus Plugin ID 146080
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0346 advisory.

- QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c (CVE-2020-16092)

- QEMU: slirp: use-after-free in ip_reass() function in ip_input.c (CVE-2020-1983)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/416.html

https://cwe.mitre.org/data/definitions/617.html

https://access.redhat.com/security/cve/CVE-2020-1983

https://access.redhat.com/security/cve/CVE-2020-16092

https://access.redhat.com/errata/RHSA-2021:0346

https://bugzilla.redhat.com/1829825

https://bugzilla.redhat.com/1860283

Plugin Details

Severity: Medium

ID: 146080

File Name: redhat-RHSA-2021-0346.nasl

Version: 1.7

Type: local

Agent: unix

Published: 2/3/2021

Updated: 10/7/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2020-1983

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:qemu-img-ma, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-common-ma, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ma, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tools-ma

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 2/2/2021

Vulnerability Publication Date: 4/22/2020

Reference Information

CVE: CVE-2020-1983, CVE-2020-16092

RHSA: 2021:0346

IAVB: 2020-B-0041-S

CWE: 416, 617