On Mon, Feb 12, 2018 at 5:04 AM, Richard Guy Briggs <[email protected]> wrote: > A bug was introduced in 8fae47705685fcaa75a1fe4c8c3e18300a702979 > ("audit: add support for session ID user filter") > See: https://github.com/linux-audit/audit-kernel/issues/4 > > When setting a session ID filter, the session ID filter field overwrote > the quick pointer reference to the arch field, potentially causing the > arch field to be misinterpreted. > > Passes audit-testsuite. > > Signed-off-by: Richard Guy Briggs <[email protected]> > --- > kernel/auditfilter.c | 1 - > 1 file changed, 1 deletion(-)
Good catch. Merged. Looking at the original patch and audit_field_valid(), I think we should probably look into tightening up what constitutes "valid" fields. For example, does it make sense to allow anything but equal/not-equal when comparing AUDIT_SUBJ_TYPE? (note well: this is just one example, there are many more) * https://github.com/linux-audit/audit-kernel/issues/73 > diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c > index 4a1758a..739a6d2 100644 > --- a/kernel/auditfilter.c > +++ b/kernel/auditfilter.c > @@ -496,7 +496,6 @@ static struct audit_entry *audit_data_to_entry(struct > audit_rule_data *data, > if (!gid_valid(f->gid)) > goto exit_free; > break; > - case AUDIT_SESSIONID: > case AUDIT_ARCH: > entry->rule.arch_f = f; > break; > -- > 1.8.3.1 > -- paul moore www.paul-moore.com -- Linux-audit mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-audit
