Vulnerabilities > CVE-2021-47184 - NULL Pointer Dereference vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/37d9e304acd903a445df8208b8a13d707902dea6
- https://git.kernel.org/stable/c/37d9e304acd903a445df8208b8a13d707902dea6
- https://git.kernel.org/stable/c/78f2a9e831f9610e3655a0be5e675e1aa2472089
- https://git.kernel.org/stable/c/78f2a9e831f9610e3655a0be5e675e1aa2472089
- https://git.kernel.org/stable/c/87c421ab4a43433cb009fea44bbbc77f46913e1d
- https://git.kernel.org/stable/c/87c421ab4a43433cb009fea44bbbc77f46913e1d
- https://git.kernel.org/stable/c/c30162da91327e4cdf7cd03079f096bb3654738c
- https://git.kernel.org/stable/c/c30162da91327e4cdf7cd03079f096bb3654738c
- https://git.kernel.org/stable/c/e91e8427a1e1633a0261e3bb0201c836ac5b3890
- https://git.kernel.org/stable/c/e91e8427a1e1633a0261e3bb0201c836ac5b3890
- https://git.kernel.org/stable/c/f866513ead4370402428ef724b03c3312295c178
- https://git.kernel.org/stable/c/f866513ead4370402428ef724b03c3312295c178