CVE-2021-29265

Name: CVE-2021-29265
Creator: NVD / NIST
Published: 2021-03-26T22:15:13.087+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.7/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2021-29265 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. An issue was discovered in the Linux kernel before 5.11.7. usbip_sockfd_store in drivers/usb/usbip/stub_dev.c allows attackers to cause a denial of service (GPF) because the stub-up sequence has race conditions during an update of the local and shared status, aka CID-9380afd6df70.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

An issue was discovered in the Linux kernel before 5.11.7. usbip_sockfd_store in drivers/usb/usbip/stub_dev.c allows attackers to cause a denial of service (GPF) because the stub-up sequence has race conditions during an update of the local and shared status, aka CID-9380afd6df70.

Metrics

CVSS 3.1

4.7/10

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

EPSS Probability

0.26%

17.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.11.7
Debian	Debian Linux	9.0

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.7Release Notes, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9380afd6df70e24eacbdbde33afc6a3950965d22Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.htmlThird Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.7Release Notes, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9380afd6df70e24eacbdbde33afc6a3950965d22Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.htmlThird Party Advisory

Timeline

Published: Mar 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29265?

How severe is CVE-2021-29265?

CVE-2021-29265 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29265?

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-2021-29265?

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

Scan your code now

Source: NVD / NIST