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https://github.com/Divested-Mobile/DivestOS-Build.git
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50 lines
1.7 KiB
Diff
50 lines
1.7 KiB
Diff
From d5d2c9baff89932e822ceae74b1569af07d55f19 Mon Sep 17 00:00:00 2001
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From: Srinivas Girigowda <sgirigow@codeaurora.org>
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Date: Fri, 7 Jul 2017 11:58:04 -0700
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Subject: qcacld-2.0: Fix out of bound read issue in get link properties
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Length of the MAC address is not checked which may cause out of bound
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read issue.
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To resolve this add a check for MAC address length.
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CRs-Fixed: 2051433
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Change-Id: I58454b84c28b157cef35984d612a9bc6fdd9ec56
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Bug: 36815555
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Signed-off-by: Srinivas Girigowda <sgirigow@codeaurora.org>
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---
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drivers/staging/qcacld-2.0/CORE/HDD/src/wlan_hdd_cfg80211.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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diff --git a/drivers/staging/qcacld-2.0/CORE/HDD/src/wlan_hdd_cfg80211.c b/drivers/staging/qcacld-2.0/CORE/HDD/src/wlan_hdd_cfg80211.c
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index c153928..6d99f2d 100644
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--- a/drivers/staging/qcacld-2.0/CORE/HDD/src/wlan_hdd_cfg80211.c
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+++ b/drivers/staging/qcacld-2.0/CORE/HDD/src/wlan_hdd_cfg80211.c
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@@ -8481,7 +8481,8 @@ static int __wlan_hdd_cfg80211_wifi_logger_start(struct wiphy *wiphy,
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static const struct
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nla_policy
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qca_wlan_vendor_attr_policy[QCA_WLAN_VENDOR_ATTR_MAX+1] = {
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- [QCA_WLAN_VENDOR_ATTR_MAC_ADDR] = { .type = NLA_UNSPEC },
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+ [QCA_WLAN_VENDOR_ATTR_MAC_ADDR] = {
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+ .type = NLA_BINARY, .len = VOS_MAC_ADDR_SIZE },
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};
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/**
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@@ -8536,6 +8537,13 @@ static int __wlan_hdd_cfg80211_get_link_properties(struct wiphy *wiphy,
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return -EINVAL;
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}
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+ if (nla_len(tb[QCA_WLAN_VENDOR_ATTR_MAC_ADDR]) < sizeof(peer_mac)) {
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+ hddLog(VOS_TRACE_LEVEL_ERROR,
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+ FL("Attribute peerMac is invalid=%d"),
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+ adapter->device_mode);
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+ return -EINVAL;
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+ }
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+
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memcpy(peer_mac, nla_data(tb[QCA_WLAN_VENDOR_ATTR_MAC_ADDR]),
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sizeof(peer_mac));
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hddLog(VOS_TRACE_LEVEL_INFO,
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--
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cgit v1.1
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