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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2008-04-29 14:29:30 +0100
committerJeff Garzik <jgarzik@redhat.com>2008-05-06 12:27:53 -0400
commit1b3aa7afb60d34867eea5e73ee943b2a026fc47c (patch)
treeb3be54db2b92251ba06c3d5155750f4ce0c593c8 /drivers/net/cxgb3
parent01935d7d2c544a5dfc8313f79ed164d45115aa33 (diff)
cxgb3: Use CAP_SYS_RAWIO for firmware
Otherwise theoretically at least CAP_NET_ADMIN Reload new firmware Wait.. Firmware patches kernel So it should be CAY_SYS_RAWIO - not that I suspect this is in fact a credible attack vector! Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/cxgb3')
-rw-r--r--drivers/net/cxgb3/cxgb3_main.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 05e5f59e87f..ce949d5fae3 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -1894,11 +1894,11 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
u8 *fw_data;
struct ch_mem_range t;
- if (!capable(CAP_NET_ADMIN))
+ if (!capable(CAP_SYS_RAWIO))
return -EPERM;
if (copy_from_user(&t, useraddr, sizeof(t)))
return -EFAULT;
-
+ /* Check t.len sanity ? */
fw_data = kmalloc(t.len, GFP_KERNEL);
if (!fw_data)
return -ENOMEM;