CVE-2026-47328
MediumCVSS 6.1Exploitation Probability (EPSS)
Low risk3th percentile - higher than 3% of all known CVEs
Summary
Ubuntu Linux 6.8, 6.17, and 7.0 contain AppArmor SAUCE patches that incorrectly attempt to free a pointer that was not previously kmalloc()d, leading to memory leaks. The bug can be triggered by an unprivileged local user.
Risk Assessment
This vulnerability may lead to corruption of slab metadata and resource exhaustion, potentially affecting system stability.
Recommendation
It is recommended to update the system to the latest version to mitigate this vulnerability and to monitor the system for unauthorized activities.
Original NVD description (English source)
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.