CVE-2021-47184

i40e: Fix NULL ptr dereference on VSI filter sync

Description

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix NULL ptr dereference on VSI filter sync Remove the reason of null pointer dereference in sync VSI filters. Added new I40E_VSI_RELEASING flag to signalize deleting and releasing of VSI resources to sync this thread with sync filters subtask. Without this patch it is possible to start update the VSI filter list after VSI is removed, that's causing a kernel oops.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/78f2a9e831f9610e3655a0be5e675e1aa2472089 patch
https://git.kernel.org/stable/c/87c421ab4a43433cb009fea44bbbc77f46913e1d patch
https://git.kernel.org/stable/c/c30162da91327e4cdf7cd03079f096bb3654738c patch
https://git.kernel.org/stable/c/f866513ead4370402428ef724b03c3312295c178 patch
https://git.kernel.org/stable/c/e91e8427a1e1633a0261e3bb0201c836ac5b3890 patch
https://git.kernel.org/stable/c/37d9e304acd903a445df8208b8a13d707902dea6 patch

Frequently Asked Questions

What is the severity of CVE-2021-47184?
CVE-2021-47184 has been scored as a medium severity vulnerability.
How to fix CVE-2021-47184?
To fix CVE-2021-47184, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-47184 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-47184 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-47184?
CVE-2021-47184 affects Linux Linux, Linux Linux.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.