CVE-2022-50181
BaseFortify
Publication date: 2025-06-18
Last updated on: 2025-11-20
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 | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-476 | The product dereferences a pointer that it expects to be valid but is NULL. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel's virtio-gpu component involves a missing check for a NULL pointer. Specifically, the 'cache_ent' variable could be set to NULL inside the function virtio_gpu_cmd_get_capset(), and later usage of this variable without checking for NULL leads to a NULL pointer dereference, which can cause the system to crash or behave unexpectedly. The fix involves adding a NULL check to prevent this issue.
How can this vulnerability impact me? :
The vulnerability can lead to a NULL pointer dereference in the Linux kernel's virtio-gpu driver, which may cause system crashes or instability. This could potentially disrupt services or applications relying on the affected component, leading to denial of service or unexpected behavior.