mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-11-01 17:08:10 +00:00
Code Issues Releases Wiki Activity

eexpress: Read buffer overflow

Browse source 
start_code is 69 words, but the code always writes a multiple of 16 words,
so the last 11 words written are outside the array.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
roel kluin 2009-07-29 03:18:56 +00:00 committed by David S. Miller
parent a3e8ee6820
commit f0c5b35c6c
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/net/eexpress.c
View file

@ -1474,13 +1474,13 @@ static void eexp_hw_init586(struct net_device *dev)
outw(0x0000, ioaddr + 0x800c); outw(0x0000, ioaddr + 0x800c);
outw(0x0000, ioaddr + 0x800e); outw(0x0000, ioaddr + 0x800e);
for (i = 0; i < (sizeof(start_code)); i+=32) { for (i = 0; i < ARRAY_SIZE(start_code) * 2; i+=32) {
int j; int j;
outw(i, ioaddr + SM_PTR); outw(i, ioaddr + SM_PTR);
for (j = 0; j < 16; j+=2) for (j = 0; j < 16 && (i+j)/2 < ARRAY_SIZE(start_code); j+=2)
outw(start_code[(i+j)/2], outw(start_code[(i+j)/2],
ioaddr+0x4000+j); ioaddr+0x4000+j);
for (j = 0; j < 16; j+=2) for (j = 0; j < 16 && (i+j+16)/2 < ARRAY_SIZE(start_code); j+=2)
outw(start_code[(i+j+16)/2], outw(start_code[(i+j+16)/2],
ioaddr+0x8000+j); ioaddr+0x8000+j);
} }