CVE-2021-47184
i40e: Fix NULL ptr dereference on VSI filter sync
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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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/37d9e304acd903a445df8208b8a13d707902dea6
- https://git.kernel.org/stable/c/78f2a9e831f9610e3655a0be5e675e1aa2472089
- https://git.kernel.org/stable/c/87c421ab4a43433cb009fea44bbbc77f46913e1d
- https://git.kernel.org/stable/c/c30162da91327e4cdf7cd03079f096bb3654738c
- https://git.kernel.org/stable/c/e91e8427a1e1633a0261e3bb0201c836ac5b3890
References (6)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
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