CVE-2020-15469

Name: CVE-2020-15469
Creator: NVD / NIST
Published: 2020-07-02T20:15:11.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.3/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2020-15469 is a low-severity vulnerability rated 2.3/10 on the CVSS scale. In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

2.3/10

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

EPSS Probability

0.43%

34.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Qemu	Qemu	<= 5.0.1
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

http://www.openwall.com/lists/oss-security/2020/07/02/1Mailing List, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00024.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg09961.htmlMailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/02/1Mailing List, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00024.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg09961.htmlMailing List, Patch, Third Party Advisory

Timeline

Published: Jul 2, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15469?

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

How severe is CVE-2020-15469?

CVE-2020-15469 has a CVSS score of 2.3/10 (LOW severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15469?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-15469?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST