From: Minjae Kim <flower...@gmail.com> adapter incorrectly restores Discoverable state after powered down
Upstream-Status: Backport [https://github.com/bluez/bluez/commit/b497b5942a8beb8f89ca1c359c54ad67ec843055] CVE: CVE-2021-3658 Signed-off-by:Minjae Kim <flower...@gmail.com> Signed-off-by: Steve Sakoman <st...@sakoman.com> --- meta/recipes-connectivity/bluez5/bluez5.inc | 1 + .../bluez5/bluez5/CVE-2021-3658.patch | 95 +++++++++++++++++++ 2 files changed, 96 insertions(+) create mode 100644 meta/recipes-connectivity/bluez5/bluez5/CVE-2021-3658.patch diff --git a/meta/recipes-connectivity/bluez5/bluez5.inc b/meta/recipes-connectivity/bluez5/bluez5.inc index 34796fdd20..7cf061dcf6 100644 --- a/meta/recipes-connectivity/bluez5/bluez5.inc +++ b/meta/recipes-connectivity/bluez5/bluez5.inc @@ -54,6 +54,7 @@ SRC_URI = "${KERNELORG_MIRROR}/linux/bluetooth/bluez-${PV}.tar.xz \ file://0001-test-gatt-Fix-hung-issue.patch \ file://CVE-2021-0129.patch \ file://CVE-2021-3588.patch \ + file://CVE-2021-3658.patch \ " S = "${WORKDIR}/bluez-${PV}" diff --git a/meta/recipes-connectivity/bluez5/bluez5/CVE-2021-3658.patch b/meta/recipes-connectivity/bluez5/bluez5/CVE-2021-3658.patch new file mode 100644 index 0000000000..1738ca13da --- /dev/null +++ b/meta/recipes-connectivity/bluez5/bluez5/CVE-2021-3658.patch @@ -0,0 +1,95 @@ +From b497b5942a8beb8f89ca1c359c54ad67ec843055 Mon Sep 17 00:00:00 2001 +From: Luiz Augusto von Dentz <luiz.von.de...@intel.com> +Date: Thu, 24 Jun 2021 16:32:04 -0700 +Subject: [PATCH] adapter: Fix storing discoverable setting + +discoverable setting shall only be store when changed via Discoverable +property and not when discovery client set it as that be considered +temporary just for the lifetime of the discovery. + +Upstream-Status: Backport [https://github.com/bluez/bluez/commit/b497b5942a8beb8f89ca1c359c54ad67ec843055] +Signed-off-by:Minjae Kim <flower...@gmail.com> +--- + src/adapter.c | 35 ++++++++++++++++++++++------------- + 1 file changed, 22 insertions(+), 13 deletions(-) + +diff --git a/src/adapter.c b/src/adapter.c +index 12e4ff5c0..663b778e4 100644 +--- a/src/adapter.c ++++ b/src/adapter.c +@@ -560,7 +560,11 @@ static void settings_changed(struct btd_adapter *adapter, uint32_t settings) + if (changed_mask & MGMT_SETTING_DISCOVERABLE) { + g_dbus_emit_property_changed(dbus_conn, adapter->path, + ADAPTER_INTERFACE, "Discoverable"); +- store_adapter_info(adapter); ++ /* Only persist discoverable setting if it was not set ++ * temporarily by discovery. ++ */ ++ if (!adapter->discovery_discoverable) ++ store_adapter_info(adapter); + btd_adv_manager_refresh(adapter->adv_manager); + } + +@@ -2162,8 +2166,6 @@ static bool filters_equal(struct mgmt_cp_start_service_discovery *a, + static int update_discovery_filter(struct btd_adapter *adapter) + { + struct mgmt_cp_start_service_discovery *sd_cp; +- GSList *l; +- + + DBG(""); + +@@ -2173,17 +2175,24 @@ static int update_discovery_filter(struct btd_adapter *adapter) + return -ENOMEM; + } + +- for (l = adapter->discovery_list; l; l = g_slist_next(l)) { +- struct discovery_client *client = l->data; ++ /* Only attempt to overwrite current discoverable setting when not ++ * discoverable. ++ */ ++ if (!(adapter->current_settings & MGMT_OP_SET_DISCOVERABLE)) { ++ GSList *l; + +- if (!client->discovery_filter) +- continue; ++ for (l = adapter->discovery_list; l; l = g_slist_next(l)) { ++ struct discovery_client *client = l->data; + +- if (client->discovery_filter->discoverable) +- break; +- } ++ if (!client->discovery_filter) ++ continue; + +- set_discovery_discoverable(adapter, l ? true : false); ++ if (client->discovery_filter->discoverable) { ++ set_discovery_discoverable(adapter, true); ++ break; ++ } ++ } ++ } + + /* + * If filters are equal, then don't update scan, except for when +@@ -2216,8 +2225,7 @@ static int discovery_stop(struct discovery_client *client) + return 0; + } + +- if (adapter->discovery_discoverable) +- set_discovery_discoverable(adapter, false); ++ set_discovery_discoverable(adapter, false); + + /* + * In the idle phase of a discovery, there is no need to stop it +@@ -6913,6 +6921,7 @@ static void adapter_stop(struct btd_adapter *adapter) + g_free(adapter->current_discovery_filter); + adapter->current_discovery_filter = NULL; + ++ set_discovery_discoverable(adapter, false); + adapter->discovering = false; + + while (adapter->connections) { +-- +2.25.1 + -- 2.25.1
-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#163518): https://lists.openembedded.org/g/openembedded-core/message/163518 Mute This Topic: https://lists.openembedded.org/mt/89940425/21656 Group Owner: openembedded-core+ow...@lists.openembedded.org Unsubscribe: https://lists.openembedded.org/g/openembedded-core/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
