Vulnerability Details CVE-2026-47328
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly attempt to free a pointer which was not previously kmalloc()d, while at the same time leaking allocated memory. The bug can be triggered by an unprivileged local user and can result in the corruption of slab metadata and could lead to resource exhaustion.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 2.9%
CVSS Severity
CVSS v3 Score 6.1
Products affected by CVE-2026-47328
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cpe:2.3:o:canonical:ubuntu_linux:24.04
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cpe:2.3:o:canonical:ubuntu_linux:25.10
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cpe:2.3:o:canonical:ubuntu_linux:26.04