CVE-2026-47337
Analyzed Analyzed - Analysis Complete
NULL Pointer Dereference in Ubuntu Linux Kernel

Publication date: 2026-05-28

Last updated on: 2026-05-29

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 AF_INET/AF_INET6 socket mediation. 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
2026-05-29
Generated
2026-06-18
AI Q&A
2026-05-28
EPSS Evaluated
2026-06-16
NVD
CVE-2026-47337
EUVD
EUVD-2026-32992
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
canonical ubuntu_linux 6.17
canonical ubuntu_linux 6.8
canonical ubuntu_linux 7.0
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 where SAUCE patches have a possible NULL pointer dereference issue in the handling of AF_INET and AF_INET6 socket mediation.

An unprivileged local user can trigger this bug, which can cause a kernel oops, a type of kernel error that may lead to system instability or crashes.

Impact Analysis

The impact of this vulnerability is limited to causing a kernel oops, which can result in system instability or crashes.

Since the vulnerability requires local unprivileged user access and does not affect confidentiality or integrity, the main risk is availability disruption.

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