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| author | glebius <glebius@FreeBSD.org> | 2016-05-17 22:28:27 +0000 |
|---|---|---|
| committer | glebius <glebius@FreeBSD.org> | 2016-05-17 22:28:27 +0000 |
| commit | 8a232783c3444677eb1faa3048123dda21767094 (patch) | |
| tree | ccd86deeb58379db2f326456a2e165b650a17e07 /sys/kern/uipc_syscalls.c | |
| parent | 1fbf92c3ea82371bfc10d47cb9dc715a18f1287b (diff) | |
| download | FreeBSD-src-8a232783c3444677eb1faa3048123dda21767094.zip FreeBSD-src-8a232783c3444677eb1faa3048123dda21767094.tar.gz | |
- Use unsigned version of min() when handling arguments of SETFKEY ioctl.
- Validate that user supplied control message length in sendmsg(2)
is not negative.
Security: SA-16:18
Security: CVE-2016-1886
Security: SA-16:19
Security: CVE-2016-1887
Submitted by: C Turt <cturt hardenedbsd.org>
Approved by: so
Diffstat (limited to 'sys/kern/uipc_syscalls.c')
| -rw-r--r-- | sys/kern/uipc_syscalls.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/kern/uipc_syscalls.c b/sys/kern/uipc_syscalls.c index fa36849..97ca115 100644 --- a/sys/kern/uipc_syscalls.c +++ b/sys/kern/uipc_syscalls.c @@ -1787,6 +1787,9 @@ sockargs(mp, buf, buflen, type) struct mbuf *m; int error; + if (buflen < 0) + return (EINVAL); + if (buflen > MLEN) { #ifdef COMPAT_OLDSOCK if (type == MT_SONAME && buflen <= 112) |
