diff options
| author |   mikeb <mikeb@openbsd.org> | 2010-09-17 14:03:09 +0000 |
|---|---|---|
| committer | mikeb <mikeb@openbsd.org> | 2010-09-17 14:03:09 +0000 |
| commit | dc5410f197fa2c1b78ce35843ed2424fd10937e3 (patch) | |
| tree | 4907dcaf6b184252e42f8c16aa9096f1e43b58a2 /sys/kern/exec_elf.c | |
| parent | don't try to get the current stream postion when the device is stopped, (diff) | |
| download | wireguard-openbsd-dc5410f197fa2c1b78ce35843ed2424fd10937e3.tar.xz wireguard-openbsd-dc5410f197fa2c1b78ce35843ed2424fd10937e3.zip | |
don't forget to free program header sections when writing
core files. fixes a local DoS that can be carried out by
an unprivileged user.
ok kettenis
Diffstat (limited to 'sys/kern/exec_elf.c')
| -rw-r--r-- | sys/kern/exec_elf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/exec_elf.c b/sys/kern/exec_elf.c index 10993c60152..45c82fab991 100644 --- a/sys/kern/exec_elf.c +++ b/sys/kern/exec_elf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: exec_elf.c,v 1.76 2010/07/26 01:56:27 guenther Exp $ */ +/* $OpenBSD: exec_elf.c,v 1.77 2010/09/17 14:03:09 mikeb Exp $ */ /* * Copyright (c) 1996 Per Fogelstrom @@ -1078,6 +1078,8 @@ ELFNAMEEND(coredump)(struct proc *p, void *cookie) } out: + if (psections) + free(psections, M_TEMP); return (error); #endif } |