Re: [PATCH] apparmor: fix cred UAF caused by begin_current_label_crit_section()
John Johansen <[email protected]>
| Newsgroups | org.kernel.vger.linux-security-module,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Organization | Canonical |
| Message-ID | <[email protected]> |
On 8/5/26 08:10, Jann Horn wrote: > On Tue, Jul 14, 2026 at 5:39 PM Jann Horn <[email protected]> wrote: >> AppArmor's begin_current_label_crit_section() is a scary function called >> from lots of LSM hooks (in particular VFS/socket-related ones) that checks >> if the label referenced by the current creds is marked FLAG_STALE, and if >> so, attempts to use aa_replace_current_label() to replace the creds with an >> updated version that uses a new label. > > ping, I've seen no activity on this fix since posting it sorry, just swamped and not catching up so far. I am looking at it now