diff options
| author | Ivy Lopez <skunkolee@gmail.com> | 2026-07-17 16:01:35 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-28 09:23:30 +0200 |
| commit | d205dfa8cb825f1954ca1cfa474fc50bf06ee4aa (patch) | |
| tree | 77153a173a1343fe4990c70763cb26f881f94ae1 | |
| parent | 743161a7c0594d26b0c3115db876f13010320258 (diff) | |
staging: rtl8723bs: use kfree_sensitive() for key material
The set_stakey_parm struct contains a 16-byte encryption key.
Use kfree_sensitive() instead of kfree() to ensure the key
material is zeroed before the memory is freed, preventing
potential information leaks.
Fixes: 554c0a3abf21 ("staging: Add rtl8723bs sdio wifi driver")
Signed-off-by: Ivy Lopez <skunkolee@gmail.com>
Link: https://patch.msgid.link/20260717220135.17836-1-skunkolee@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/rtl8723bs/core/rtw_cmd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/rtl8723bs/core/rtw_cmd.c b/drivers/staging/rtl8723bs/core/rtw_cmd.c index d297194a1b7a..ce3dfa1fee26 100644 --- a/drivers/staging/rtl8723bs/core/rtw_cmd.c +++ b/drivers/staging/rtl8723bs/core/rtw_cmd.c @@ -896,7 +896,7 @@ u8 rtw_setstakey_cmd(struct adapter *padapter, struct sta_info *sta, u8 unicast_ if (enqueue) { ph2c = kzalloc_obj(*ph2c); if (!ph2c) { - kfree(psetstakey_para); + kfree_sensitive(psetstakey_para); res = _FAIL; goto exit; } @@ -904,7 +904,7 @@ u8 rtw_setstakey_cmd(struct adapter *padapter, struct sta_info *sta, u8 unicast_ psetstakey_rsp = kzalloc_obj(*psetstakey_rsp); if (!psetstakey_rsp) { kfree(ph2c); - kfree(psetstakey_para); + kfree_sensitive(psetstakey_para); res = _FAIL; goto exit; } @@ -915,7 +915,7 @@ u8 rtw_setstakey_cmd(struct adapter *padapter, struct sta_info *sta, u8 unicast_ res = rtw_enqueue_cmd(pcmdpriv, ph2c); } else { set_stakey_hdl(padapter, (u8 *)psetstakey_para); - kfree(psetstakey_para); + kfree_sensitive(psetstakey_para); } exit: return res; @@ -955,7 +955,7 @@ u8 rtw_clearstakey_cmd(struct adapter *padapter, struct sta_info *sta, u8 enqueu psetstakey_rsp = kzalloc_obj(*psetstakey_rsp); if (!psetstakey_rsp) { kfree(ph2c); - kfree(psetstakey_para); + kfree_sensitive(psetstakey_para); res = _FAIL; goto exit; } |