CVE-2020-15469

low
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

In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.

References

http://www.openwall.com/lists/oss-security/2020/07/02/1

https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html

https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg09961.html

Details

Source: MITRE

Published: 2020-07-02

Updated: 2021-02-24

Type: CWE-476

Risk Information

CVSS v2

Base Score: 2.1

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

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 2.3

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

Impact Score: 1.4

Exploitability Score: 0.8

Severity: LOW

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to 5.0.1 (inclusive)

Configuration 2

OR

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Tenable Plugins

View all (16 total)

IDNameProductFamilySeverity
155742Oracle Linux 8 : kvm_utils (ELSA-2021-9568)NessusOracle Linux Local Security Checks
high
152199SUSE SLES11 Security Update : kvm (SUSE-SU-2021:14772-1)NessusSuSE Local Security Checks
medium
151680Ubuntu 18.04 LTS / 20.04 LTS / 20.10 / 21.04 : QEMU vulnerabilities (USN-5010-1)NessusUbuntu Local Security Checks
high
150299Oracle Linux 7 : qemu (ELSA-2021-9285)NessusOracle Linux Local Security Checks
medium
149640openSUSE Security Update : qemu (openSUSE-2021-600)NessusSuSE Local Security Checks
medium
148966SUSE SLES12 Security Update : qemu (SUSE-SU-2021:1305-1)NessusSuSE Local Security Checks
high
148761SUSE SLES12 Security Update : qemu (SUSE-SU-2021:1241-1)NessusSuSE Local Security Checks
high
148758SUSE SLES12 Security Update : qemu (SUSE-SU-2021:1240-1)NessusSuSE Local Security Checks
high
148757SUSE SLES15 Security Update : qemu (SUSE-SU-2021:1244-1)NessusSuSE Local Security Checks
high
148755SUSE SLED15 / SLES15 Security Update : qemu (SUSE-SU-2021:1243-1)NessusSuSE Local Security Checks
medium
148752SUSE SLES15 Security Update : qemu (SUSE-SU-2021:1245-1)NessusSuSE Local Security Checks
high
148751SUSE SLES12 Security Update : qemu (SUSE-SU-2021:1242-1)NessusSuSE Local Security Checks
high
148632EulerOS Virtualization 2.9.0 : qemu (EulerOS-SA-2021-1763)NessusHuawei Local Security Checks
medium
148583EulerOS Virtualization 2.9.1 : qemu (EulerOS-SA-2021-1735)NessusHuawei Local Security Checks
medium
146609Debian DLA-2560-1 : qemu security updateNessusDebian Local Security Checks
high
138897QEMU 4.2 < 5.1.0-rc0 Multiple VulnerabilitiesNessusWindows
medium