Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops.
Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:NI:NA:L3.3/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LMemory Safety