CVE-2026-47326
Memory leak in Ubuntu Linux AppArmor large notification response allocation
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-401 |
| Vendor | canonical |
| Product | ubuntu linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 28, 2026 |
| Last Updated | May 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Canonical / Ubuntu Linux
6.8.0 < 6.8.0-124.124 6.17.0 < 6.17.0-35.35 7.0.0 < 7.0.0-22.22
References
Credits
Tristan Madani (@TristanInSec), Talence Security