CVE-2021-47184

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

10/04/2024

Last modified:

14/01/2025

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&#39;s causing a kernel oops.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	3.12 (including)	4.14.256 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.218 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.162 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.82 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.5 (excluding)
cpe:2.3:o:linux:linux_kernel:5.16:rc1::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-47184

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools