linux-kernel - [PATCH 5.15 566/917] staging: r8188eu: fix memory leak in rtw_set

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20211115165447.982406745@linuxfoundation.org>
Date:   Mon, 15 Nov 2021 18:01:01 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Pavel Skripkin <paskripkin@...il.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 566/917] staging: r8188eu: fix memory leak in rtw_set_key

From: Pavel Skripkin <paskripkin@...il.com>

[ Upstream commit 393db0f6827f96054a769ba3a38aa382d137d3c7 ]

Before returning with an error we should free allocated buffers, since
they are not assigned to anywhere.

Fixes: 15865124feed ("staging: r8188eu: introduce new core dir for RTL8188eu driver")
Signed-off-by: Pavel Skripkin <paskripkin@...il.com>
Link: https://lore.kernel.org/r/ee783fbb71abb549505b84542223be7a7c905eea.1630692375.git.paskripkin@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/staging/r8188eu/core/rtw_mlme.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/r8188eu/core/rtw_mlme.c b/drivers/staging/r8188eu/core/rtw_mlme.c
index 1115ff5d865ad..bd991d7ed8090 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme.c
@@ -1722,6 +1722,8 @@ int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, in
 		psetkeyparm->grpkey = 1;
 		break;
 	default:
+		kfree(psetkeyparm);
+		kfree(pcmd);
 		res = _FAIL;
 		goto exit;
 	}
-- 
2.33.0