CVE-2020-27616

medium
New! CVE Severity Now Using CVSS v3

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

Description

ati_2d_blt in hw/display/ati_2d.c in QEMU 4.2.1 can encounter an outside-limits situation in a calculation. A guest can crash the QEMU process.

References

http://www.openwall.com/lists/oss-security/2020/11/03/2

https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05018.html

https://security.netapp.com/advisory/ntap-20201202-0002/

Details

Source: MITRE

Published: 2020-11-06

Updated: 2020-12-02

Type: CWE-682

Risk Information

CVSS v2

Base Score: 4

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

Impact Score: 2.9

Exploitability Score: 8

Severity: MEDIUM

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:qemu:qemu:4.2.1:*:*:*:*:*:*:*

Tenable Plugins

View all (6 total)

IDNameProductFamilySeverity
149640openSUSE Security Update : qemu (openSUSE-2021-600)NessusSuSE Local Security Checks
medium
148755SUSE SLED15 / SLES15 Security Update : qemu (SUSE-SU-2021:1243-1)NessusSuSE Local Security Checks
medium
147700EulerOS Virtualization 2.9.0 : qemu (EulerOS-SA-2021-1667)NessusHuawei Local Security Checks
medium
147523EulerOS Virtualization 2.9.1 : qemu (EulerOS-SA-2021-1632)NessusHuawei Local Security Checks
medium
146269Oracle Linux 7 : qemu (ELSA-2021-9034)NessusOracle Linux Local Security Checks
medium
143376Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 20.10 : QEMU vulnerabilities (USN-4650-1)NessusUbuntu Local Security Checks
medium