From a04d13affe0fa53ff618e07aa8f57f4c0e3b9b81 Mon Sep 17 00:00:00 2001 From: Jan Rybar Date: Wed, 2 Jun 2021 15:43:38 +0200 Subject: [PATCH] GHSL-2021-074: authentication bypass vulnerability in polkit initial values returned if error caught Upstream-Status: Backport [https://gitlab.freedesktop.org/polkit/polkit/-/commit/a04d13affe0fa53ff618e07aa8f57f4c0e3b9b81] Signed-off-by: Mingli Yu --- src/polkit/polkitsystembusname.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/polkit/polkitsystembusname.c b/src/polkit/polkitsystembusname.c index 8daa12c..8ed1363 100644 --- a/src/polkit/polkitsystembusname.c +++ b/src/polkit/polkitsystembusname.c @@ -435,6 +435,9 @@ polkit_system_bus_name_get_creds_sync (PolkitSystemBusName *system_bus while (!((data.retrieved_uid && data.retrieved_pid) || data.caught_error)) g_main_context_iteration (tmp_context, TRUE); + if (data.caught_error) + goto out; + if (out_uid) *out_uid = data.uid; if (out_pid) -- 2.29.2