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Clément Lecigne df0bca049d net: 4 bytes kernel memory disclosure in SO_BSDCOMPAT gsopt try #2 ... In function sock_getsockopt() located in net/core/sock.c, optval v.val is not correctly initialized and directly returned in userland in case we have SO_BSDCOMPAT option set. This dummy code should trigger the bug: int main(void) { unsigned char buf[4] = { 0, 0, 0, 0 }; int len; int sock; sock = socket(33, 2, 2); getsockopt(sock, 1, SO_BSDCOMPAT, &buf, &len); printf("%x%x%x%x\n", buf[0], buf[1], buf[2], buf[3]); close(sock); } Here is a patch that fix this bug by initalizing v.val just after its declaration. Signed-off-by: Clément Lecigne <clement.lecigne@netasq.com> Signed-off-by: David S. Miller <davem@davemloft.net>		16 years ago
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Makefile	…
datagram.c	net: sk_free_datagram() should use sk_mem_reclaim_partial()	16 years ago
dev.c	net_dma: call dmaengine_get only if NET_DMA enabled	16 years ago
dev_mcast.c	net: Rationalise email address: Network Specific Parts	16 years ago
dst.c	net: speedup dst_release()	16 years ago
ethtool.c	ethtool: Add GGRO and SGRO ops	16 years ago
fib_rules.c	net: fib_rules ordering fixes.	16 years ago
filter.c	filter: add SKF_AD_NLATTR_NEST to look for nested attributes	16 years ago
flow.c	netns xfrm: lookup in netns	16 years ago
gen_estimator.c	pkt_sched: gen_estimator: Optimize gen_estimator_active()	16 years ago
gen_stats.c	…
iovec.c	…
kmap_skb.h	…
link_watch.c	Revert "net: Fix for initial link state in 2.6.28"	16 years ago
neighbour.c	neigh: some entries can be skipped during dumping	16 years ago
net-sysfs.c	netns: filter out uevent not belonging to init_net	16 years ago
net-sysfs.h	…
net_namespace.c	NET: net_namespace, fix lock imbalance	16 years ago
netevent.c	…
netpoll.c	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	16 years ago
pktgen.c	netns xfrm: finding states in netns	16 years ago
request_sock.c	…
rtnetlink.c	netdev: introduce dev_get_stats()	16 years ago
scm.c	Merge branch 'master' into next	16 years ago
skb_dma_map.c	net: Fix off-by-one in skb_dma_map	16 years ago
skbuff.c	net: Fix OOPS in skb_seq_read().	16 years ago
sock.c	net: 4 bytes kernel memory disclosure in SO_BSDCOMPAT gsopt try #2	16 years ago
stream.c	net: Rationalise email address: Network Specific Parts	16 years ago
sysctl_net_core.c	netns xfrm: per-netns sysctls	16 years ago
user_dma.c	…
utils.c	…