Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-04 04:02:26 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[NET]: Do not leak MSG_CMSG_COMPAT into userspace.

Browse Source 
Noticed by Sridhar Samudrala.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2005-09-16 16:51:01 -07:00
parent 065d9cac98
commit 37f7f421cc
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/socket.c
View File

@ -1862,7 +1862,8 @@ asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg, unsigned int flag
if (err < 0)
goto out_freeiov;
}
err = __put_user(msg_sys.msg_flags, COMPAT_FLAGS(msg));
err = __put_user((msg_sys.msg_flags & ~MSG_CMSG_COMPAT),
COMPAT_FLAGS(msg));
if (err)
goto out_freeiov;
if (MSG_CMSG_COMPAT & flags)