CVE-2021-47184

Advisory lineage Upstream: 0 Downstream: 13
Analyzed
Published: 10 Apr 2024, 18:56
Last modified:11 May 2026, 13:49

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

10 Apr 2024, 18:56
Published
Vulnerability first disclosed
11 May 2026, 13:49
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.01%• Percentile: 3%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • linux•linux

    ≥ 41c445ff0f482bb6e6b72dcee9e598e20575f743, < 78f2a9e831f9610e3655a0be5e675e1aa2472089 | ≥ 41c445ff0f482bb6e6b72dcee9e598e20575f743, < 87c421ab4a43433cb009fea44bbbc77f46913e1d | ≥ 41c445ff0f482bb6e6b72dcee9e598e20575f743, < c30162da91327e4cdf7cd03079f096bb3654738c | ≥ 41c445ff0f482bb6e6b72dcee9e598e20575f743, < f866513ead4370402428ef724b03c3312295c178 | ≥ 41c445ff0f482bb6e6b72dcee9e598e20575f743, < e91e8427a1e1633a0261e3bb0201c836ac5b3890 | ≥ 41c445ff0f482bb6e6b72dcee9e598e20575f743, < 37d9e304acd903a445df8208b8a13d707902dea6 | 3.12

  • linux•linux_kernel

    ≥ 3.12, < 4.14.256 | ≥ 4.15, < 4.19.218 | ≥ 4.20, < 5.4.162 | ≥ 5.5, < 5.10.82 | ≥ 5.11, < 5.15.5 | 5.16:rc1

References (6)