CVE-2026-47327
NULL Pointer Dereference in Ubuntu Linux Kernel
Publication date: 2026-05-28
Last updated on: 2026-05-28
Assigner: Canonical Ltd.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ubuntu | linux | 6.8 |
| ubuntu | linux | 6.17 |
| ubuntu | linux | 7.0 |
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 exists in Ubuntu Linux versions 6.8, 6.17, and 7.0, specifically in the SAUCE patches related to AppArmor notifications. It involves a possible NULL pointer dereference that can be triggered by an unprivileged local user. When triggered, this bug can cause a kernel oops, which is a type of kernel crash.
How can this vulnerability impact me? :
The impact of this vulnerability is limited to causing a kernel oops, which is a kernel crash. This can lead to system instability or a denial of service condition. Since the vulnerability requires local unprivileged user access and does not affect confidentiality or integrity, the main impact is availability-related.