CVE-2026-47326
Analyzed Analyzed - Analysis Complete

Memory Leak 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 memory leak in the handling of big responses to AppArmor notifications. The bug can be triggered by an unprivileged local user. The memory leak could lead to resource exhaustion.

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Meta Information

Published
2026-05-28
Last Modified
2026-06-09
Generated
2026-07-08
AI Q&A
2026-05-28
EPSS Evaluated
2026-07-06
NVD
CVE-2026-47326
EUVD
EUVD-2026-32981

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

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-401 The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

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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 memory leak issue. The leak occurs when handling large responses to AppArmor notifications. It can be triggered by an unprivileged local user.

The memory leak may cause resource exhaustion on the affected system.

Impact Analysis

The primary impact of this vulnerability is resource exhaustion due to the memory leak. This could degrade system performance or potentially cause denial of service conditions.

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