CVE-2022-50048
BaseFortify
Publication date: 2025-06-18
Last updated on: 2025-11-13
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | 6.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-NVD-CWE-noinfo |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel's netfilter subsystem involves a possible module reference underflow in an error path. Specifically, when nft_expr_clone() fails, dst->ops is set but the module reference count has not been incremented yet. As a result, when nft_expr_destroy() is called, it causes the module reference count to underflow, which can lead to instability or unexpected behavior in the kernel.
How can this vulnerability impact me? :
The impact of this vulnerability could include kernel instability or crashes due to the module reference count underflow. This may affect system reliability and could potentially be exploited to cause denial of service or other unintended behavior in systems using the affected Linux kernel netfilter component.