CVE-2020-25084

Name: CVE-2020-25084
Creator: NVD / NIST
Published: 2020-09-25T05:15:12.727+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.2/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2020-25084 is a low-severity vulnerability rated 3.2/10 on the CVSS scale. QEMU 5.0.0 has a use-after-free in hw/usb/hcd-xhci.c because the usb_packet_map return value is not checked.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

QEMU 5.0.0 has a use-after-free in hw/usb/hcd-xhci.c because the usb_packet_map return value is not checked.

Metrics

CVSS 3.1

3.2/10

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

EPSS Probability

0.34%

26.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Qemu	Qemu	5.0.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

http://www.openwall.com/lists/oss-security/2020/09/16/5Mailing 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.nongnu.org/archive/html/qemu-devel/2020-08/msg08050.htmlMailing List, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20201009-0005/Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/09/16/5Mailing 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.nongnu.org/archive/html/qemu-devel/2020-08/msg08050.htmlMailing List, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20201009-0005/Third Party Advisory

Timeline

Published: Sep 25, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25084?

QEMU 5.0.0 has a use-after-free in hw/usb/hcd-xhci.c because the usb_packet_map return value is not checked.

How severe is CVE-2020-25084?

CVE-2020-25084 has a CVSS score of 3.2/10 (LOW severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25084?

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-2020-25084?

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

Scan your code now

Source: NVD / NIST