On Fri, May 10, 2024 at 12:10 PM John Johansen <john.johansen@xxxxxxxxxxxxx> wrote: > On 2/27/24 08:01, Paul Moore wrote: > > On Mon, Feb 26, 2024 at 2:59 PM Paul Moore <paul@xxxxxxxxxxxxxx> wrote: > >> On Fri, Feb 23, 2024 at 4:07 PM Paul Moore <paul@xxxxxxxxxxxxxx> wrote: > >>> On Fri, Feb 23, 2024 at 2:06 PM Mickaël Salaün <mic@xxxxxxxxxxx> wrote: > >>>> > >>>> aa_getprocattr() may not initialize the value's pointer in some case. > >>>> As for proc_pid_attr_read(), initialize this pointer to NULL in > >>>> apparmor_getselfattr() to avoid an UAF in the kfree() call. > >>>> > >>>> Cc: Casey Schaufler <casey@xxxxxxxxxxxxxxxx> > >>>> Cc: John Johansen <john.johansen@xxxxxxxxxxxxx> > >>>> Cc: Paul Moore <paul@xxxxxxxxxxxxxx> > >>>> Cc: stable@xxxxxxxxxxxxxxx > >>>> Fixes: 223981db9baf ("AppArmor: Add selfattr hooks") > >>>> Signed-off-by: Mickaël Salaün <mic@xxxxxxxxxxx> > >>>> --- > >>>> security/apparmor/lsm.c | 2 +- > >>>> 1 file changed, 1 insertion(+), 1 deletion(-) > >>> > >>> If you like John, I can send this up to Linus with the related SELinux > >>> fix, I would just need an ACK from you. > >> > >> Reviewed-by: Paul Moore <paul@xxxxxxxxxxxxxx> > >> > >> This patch looks good to me, and while we've still got at least two > >> (maybe three?) more weeks before v6.8 is tagged, I think it would be > >> good to get this up to Linus ASAP. I'll hold off for another day, but > >> if we don't see any comment from John I'll go ahead and merge this and > >> send it up to Linus with the SELinux fix; I'm sure John wouldn't be > >> happy if v6.8 went out the door without this fix. > > > > I just merged this into lsm/stable-6.8 and once the automated > > build/test has done it's thing and come back clean I'll send this, > > along with the associated SELinux fix, up to Linus. Thanks all. > > > > John, if this commit is problematic please let me know and I'll send a > > fix or a revert. > > sorry, I am still trying to dig out of my backlog. This is good, you can > certainly have my ACK, I know its already in tree so no point in adding > it there but wanted to just make sure its on list No worries, reviews are still appreciated; just because a patch has made its way up to Linus is no guarantee there isn't something wrong with it ;) -- paul-moore.com