From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= Date: Sat, 28 Nov 2015 22:32:29 +0100 Message-Id: <1448746350-19998-2-git-send-email-mic@digikod.net> In-Reply-To: <1448746350-19998-1-git-send-email-mic@digikod.net> References: <1448746350-19998-1-git-send-email-mic@digikod.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Sender: linux-kernel-owner@vger.kernel.org Subject: [PATCH 1/2] um: Set secure access mode for temporary file To: linux-kernel@vger.kernel.org Cc: =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= , Jeff Dike , Richard Weinberger , Tristan Schmelcher , Greg Kroah-Hartman , user-mode-linux-devel@lists.sourceforge.net, user-mode-linux-user@lists.sourceforge.net List-ID: Replace the default insecure mode 0777 with 0700 for temporary file. Prohibit other users to change the executable mapped code. Signed-off-by: Micka=C3=ABl Sala=C3=BCn --- arch/um/os-Linux/mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c index 897e9ad..798aeb4 100644 --- a/arch/um/os-Linux/mem.c +++ b/arch/um/os-Linux/mem.c @@ -142,7 +142,7 @@ static int __init create_tmp_file(unsigned long lon= g len) if (fd < 0) exit(1); =20 - err =3D fchmod(fd, 0777); + err =3D fchmod(fd, 0700); if (err < 0) { perror("fchmod"); exit(1); --=20 2.6.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel"= in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/