CVE-2026-47327
Analyzed Analyzed - Analysis Complete
NULL Pointer Dereference in Ubuntu Linux Kernel

Publication date: 2026-05-28

Last updated on: 2026-06-09

Assigner: Canonical Ltd.

Description
Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops.
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Meta Information
Published
2026-05-28
Last Modified
2026-06-09
Generated
2026-06-18
AI Q&A
2026-05-28
EPSS Evaluated
2026-06-16
NVD
CVE-2026-47327
EUVD
EUVD-2026-32982
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
canonical ubuntu_linux 24.04
canonical ubuntu_linux 25.10
canonical ubuntu_linux 26.04
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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Executive Summary

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.

Impact Analysis

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.

Compliance Impact

The provided information does not specify any direct impact of this vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.

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