diff options
Diffstat (limited to 'source/l/polkit/CVE-2021-4115.patch')
-rw-r--r-- | source/l/polkit/CVE-2021-4115.patch | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/source/l/polkit/CVE-2021-4115.patch b/source/l/polkit/CVE-2021-4115.patch deleted file mode 100644 index 3cb55819c..000000000 --- a/source/l/polkit/CVE-2021-4115.patch +++ /dev/null @@ -1,71 +0,0 @@ -diff --git a/src/polkit/polkitsystembusname.c b/src/polkit/polkitsystembusname.c -index 8ed1363..2fbf5f1 100644 ---- a/src/polkit/polkitsystembusname.c -+++ b/src/polkit/polkitsystembusname.c -@@ -62,6 +62,10 @@ enum - PROP_NAME, - }; - -+ -+guint8 dbus_call_respond_fails; // has to be global because of callback -+ -+ - static void subject_iface_init (PolkitSubjectIface *subject_iface); - - G_DEFINE_TYPE_WITH_CODE (PolkitSystemBusName, polkit_system_bus_name, G_TYPE_OBJECT, -@@ -364,6 +368,7 @@ on_retrieved_unix_uid_pid (GObject *src, - if (!v) - { - data->caught_error = TRUE; -+ dbus_call_respond_fails += 1; - } - else - { -@@ -405,6 +410,8 @@ polkit_system_bus_name_get_creds_sync (PolkitSystemBusName *system_bus - tmp_context = g_main_context_new (); - g_main_context_push_thread_default (tmp_context); - -+ dbus_call_respond_fails = 0; -+ - /* Do two async calls as it's basically as fast as one sync call. - */ - g_dbus_connection_call (connection, -@@ -432,11 +439,34 @@ polkit_system_bus_name_get_creds_sync (PolkitSystemBusName *system_bus - on_retrieved_unix_uid_pid, - &data); - -- while (!((data.retrieved_uid && data.retrieved_pid) || data.caught_error)) -- g_main_context_iteration (tmp_context, TRUE); -+ while (TRUE) -+ { -+ /* If one dbus call returns error, we must wait until the other call -+ * calls _call_finish(), otherwise fd leak is possible. -+ * Resolves: GHSL-2021-077 -+ */ - -- if (data.caught_error) -- goto out; -+ if ( (dbus_call_respond_fails > 1) ) -+ { -+ // we got two faults, we can leave -+ goto out; -+ } -+ -+ if ((data.caught_error && (data.retrieved_pid || data.retrieved_uid))) -+ { -+ // we got one fault and the other call finally finished, we can leave -+ goto out; -+ } -+ -+ if ( !(data.retrieved_uid && data.retrieved_pid) ) -+ { -+ g_main_context_iteration (tmp_context, TRUE); -+ } -+ else -+ { -+ break; -+ } -+ } - - if (out_uid) - *out_uid = data.uid; |