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| author | Ivy Lopez <skunkolee@gmail.com> | 2026-09-01 19:53:14 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-09-07 18:20:01 +0200 |
| commit | 194ffecc0d6a0f25ac4e2cc612fbad01e09bb351 (patch) | |
| tree | 8e734b63eaa6708b9e927e2ccaa97f4113a32c6a | |
| parent | ee84a0bf829a20ee7762266f972b3a7eb22b4c6b (diff) | |
| download | linux-next-194ffecc0d6a0f25ac4e2cc612fbad01e09bb351.tar.gz linux-next-194ffecc0d6a0f25ac4e2cc612fbad01e09bb351.zip | |
staging: rtl8723bs: use kfree_sensitive() for key material in rtw_set_key()
psetkeyparm holds WEP/TKIP/AES key material copied in via memcpy
from psecuritypriv before being freed. Use kfree_sensitive() instead
of kfree() so the key bytes are zeroed before the memory is released,
consistent with how psetstakey_para is already handled elsewhere in
this driver.
Signed-off-by: Ivy Lopez <skunkolee@gmail.com>
Link: https://patch.msgid.link/20260902015314.21525-1-skunkolee@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/rtl8723bs/core/rtw_mlme.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c index e30bf2fe38e8..13409becd264 100644 --- a/drivers/staging/rtl8723bs/core/rtw_mlme.c +++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c @@ -1923,14 +1923,14 @@ signed int rtw_set_key(struct adapter *adapter, struct security_priv *psecurityp break; default: res = _FAIL; - kfree(psetkeyparm); + kfree_sensitive(psetkeyparm); goto exit; } if (enqueue) { pcmd = kzalloc_obj(*pcmd); if (!pcmd) { - kfree(psetkeyparm); + kfree_sensitive(psetkeyparm); res = _FAIL; /* try again */ goto exit; } @@ -1946,7 +1946,7 @@ signed int rtw_set_key(struct adapter *adapter, struct security_priv *psecurityp res = rtw_enqueue_cmd(pcmdpriv, pcmd); } else { setkey_hdl(adapter, (u8 *)psetkeyparm); - kfree(psetkeyparm); + kfree_sensitive(psetkeyparm); } exit: return res; |