CVE-2026-47328 Details
Description
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.
A vulnerability exists in Ubuntu Linux versions 6.8, 6.17, and 7.0, due to AppArmor SAUCE patches that improperly handle memory management. The patches attempt to free a pointer that was not allocated with kmalloc(), leading to a memory leak. This issue can be exploited by an unprivileged local user, potentially corrupting slab metadata and causing resource exhaustion.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 28, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=7f3c4902c39432ce7ea0d384cb70eba282247fac | [email protected] | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-590 | Free of Memory not on the Heap | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| canonical ubuntu linux | 24.04 25.10 26.04 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 9, 2026 | Reanalysis | [email protected] |
| Jun 9, 2026 | Initial Analysis | [email protected] |
| May 28, 2026 | New CVE Received | [email protected] |