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Diffstat (limited to 'package/kernel/mac80211/patches/brcm/349-v5.1-0001-brcmfmac-assure-SSID-length-from-firmware-is-limited.patch')
-rw-r--r--package/kernel/mac80211/patches/brcm/349-v5.1-0001-brcmfmac-assure-SSID-length-from-firmware-is-limited.patch28
1 files changed, 28 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/brcm/349-v5.1-0001-brcmfmac-assure-SSID-length-from-firmware-is-limited.patch b/package/kernel/mac80211/patches/brcm/349-v5.1-0001-brcmfmac-assure-SSID-length-from-firmware-is-limited.patch
new file mode 100644
index 0000000000..78db26870b
--- /dev/null
+++ b/package/kernel/mac80211/patches/brcm/349-v5.1-0001-brcmfmac-assure-SSID-length-from-firmware-is-limited.patch
@@ -0,0 +1,28 @@
+From 1b5e2423164b3670e8bc9174e4762d297990deff Mon Sep 17 00:00:00 2001
+From: Arend van Spriel <arend.vanspriel@broadcom.com>
+Date: Thu, 14 Feb 2019 13:43:47 +0100
+Subject: [PATCH] brcmfmac: assure SSID length from firmware is limited
+
+The SSID length as received from firmware should not exceed
+IEEE80211_MAX_SSID_LEN as that would result in heap overflow.
+
+Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
+Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
+Reviewed-by: Franky Lin <franky.lin@broadcom.com>
+Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
+Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
+---
+ drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+@@ -3499,6 +3499,8 @@ brcmf_wowl_nd_results(struct brcmf_if *i
+ }
+
+ netinfo = brcmf_get_netinfo_array(pfn_result);
++ if (netinfo->SSID_len > IEEE80211_MAX_SSID_LEN)
++ netinfo->SSID_len = IEEE80211_MAX_SSID_LEN;
+ memcpy(cfg->wowl.nd->ssid.ssid, netinfo->SSID, netinfo->SSID_len);
+ cfg->wowl.nd->ssid.ssid_len = netinfo->SSID_len;
+ cfg->wowl.nd->n_channels = 1;