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| author | Jouni Malinen <jkmaline@cc.hut.fi> | 2006-03-19 19:21:47 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2006-03-23 16:16:58 -0500 |
| commit | 3a1c42ad98fddab63e62b400ae98e6f609485efc (patch) | |
| tree | 419225b1ff68508e04f08dfb98ca8b21d1e83fef | |
| parent | 8abceaf1cf44b9d95bcc366fa277b33e292141c4 (diff) | |
| download | op-kernel-dev-3a1c42ad98fddab63e62b400ae98e6f609485efc.zip op-kernel-dev-3a1c42ad98fddab63e62b400ae98e6f609485efc.tar.gz | |
[PATCH] hostap: Fix unlikely read overrun in CIS parsing
The Coverity checker (CID: 452, 453, 454, 455, 456) spotted this
unlikely read overrun of CIS buffer. Abort if CISTPL_CONFIG or
CISTPL_MANFID would not fit in buffer.
Signed-off-by: Jouni Malinen <jkmaline@cc.hut.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/hostap/hostap_plx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/hostap/hostap_plx.c b/drivers/net/wireless/hostap/hostap_plx.c index 94fe244..e258517 100644 --- a/drivers/net/wireless/hostap/hostap_plx.c +++ b/drivers/net/wireless/hostap/hostap_plx.c @@ -368,7 +368,7 @@ static int prism2_plx_check_cis(void __iomem *attr_mem, int attr_len, switch (cis[pos]) { case CISTPL_CONFIG: - if (cis[pos + 1] < 1) + if (cis[pos + 1] < 2) goto cis_error; rmsz = (cis[pos + 2] & 0x3c) >> 2; rasz = cis[pos + 2] & 0x03; @@ -390,7 +390,7 @@ static int prism2_plx_check_cis(void __iomem *attr_mem, int attr_len, break; case CISTPL_MANFID: - if (cis[pos + 1] < 4) + if (cis[pos + 1] < 5) goto cis_error; manfid1 = cis[pos + 2] + (cis[pos + 3] << 8); manfid2 = cis[pos + 4] + (cis[pos + 5] << 8); |
