CVE-2026-47328 — Invalid pointer deallocation in Ubuntu Linux AppArmor notification handling
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 all…
Published: 2026-05-28 · CVSS: 6.1 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7