diff options
| author | markj <markj@FreeBSD.org> | 2018-11-26 16:42:18 +0300 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-12-20 14:12:37 +0300 |
| commit | 44756a36abd7157937d2ef9e862300fb3282d655 (patch) | |
| tree | 100763b089276d2f257dff7e671bb53062f8b785 /newlib | |
| parent | a091d5da63f6711fe046e2a0f63d917e3b5254d4 (diff) | |
Plug routing sysctl leaks.
Various structures exported by sysctl_rtsock() contain padding fields
which were not being zeroed.
Reported by: Thomas Barabosch, Fraunhofer FKIE
Reviewed by: ae
MFC after: 3 days
Security: kernel memory disclosure
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D18333
Diffstat (limited to 'newlib')
| -rw-r--r-- | newlib/libc/sys/rtems/include/net/if.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/newlib/libc/sys/rtems/include/net/if.h b/newlib/libc/sys/rtems/include/net/if.h index 54bb9094d..a9b875cf1 100644 --- a/newlib/libc/sys/rtems/include/net/if.h +++ b/newlib/libc/sys/rtems/include/net/if.h @@ -29,7 +29,7 @@ * SUCH DAMAGE. * * @(#)if.h 8.1 (Berkeley) 6/10/93 - * $FreeBSD: head/sys/net/if.h 333502 2018-05-11 20:08:28Z mmacy $ + * $FreeBSD: head/sys/net/if.h 340968 2018-11-26 13:42:18Z markj $ */ #ifndef _NET_IF_H_ @@ -271,6 +271,7 @@ struct if_msghdr { int ifm_addrs; /* like rtm_addrs */ int ifm_flags; /* value of if_flags */ u_short ifm_index; /* index for associated ifp */ + u_short _ifm_spare1; struct if_data ifm_data;/* statistics and other data about if */ }; @@ -296,6 +297,7 @@ struct if_msghdrl { u_short _ifm_spare1; /* spare space to grow if_index, see if_var.h */ u_short ifm_len; /* length of if_msghdrl incl. if_data */ u_short ifm_data_off; /* offset of if_data from beginning */ + int _ifm_spare2; struct if_data ifm_data;/* statistics and other data about if */ }; @@ -311,6 +313,7 @@ struct ifa_msghdr { int ifam_addrs; /* like rtm_addrs */ int ifam_flags; /* value of ifa_flags */ u_short ifam_index; /* index for associated ifp */ + u_short _ifam_spare1; int ifam_metric; /* value of ifa_ifp->if_metric */ }; @@ -352,6 +355,7 @@ struct ifma_msghdr { int ifmam_addrs; /* like rtm_addrs */ int ifmam_flags; /* value of ifa_flags */ u_short ifmam_index; /* index for associated ifp */ + u_short _ifmam_spare1; }; /* |