From 42cb2c968b994715532a3c5fde68c8638526b3bf Mon Sep 17 00:00:00 2001 From: Yue Tao Date: Thu, 5 Dec 2013 17:52:18 -0600 Subject: acpid: CVE-2011-1159 acpid.c in acpid before 2.0.9 does not properly handle a situation in which a process has connected to acpid.socket but is not reading any data, which allows local users to cause a denial of service (daemon hang) via a crafted application that performs a connect system call but no read system calls. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-1159 (From OE-Core rev: e7b2b84dece29d16b8f05daf962b69e78dd64cb3) Signed-off-by: Yue Tao Signed-off-by: Robert Yang Signed-off-by: Mark Hatle Signed-off-by: Richard Purdie --- meta/recipes-bsp/acpid/acpid.inc | 3 ++- meta/recipes-bsp/acpid/acpid/set_socket_noblock.patch | 10 ++++++++++ 2 files changed, 12 insertions(+), 1 deletion(-) create mode 100644 meta/recipes-bsp/acpid/acpid/set_socket_noblock.patch (limited to 'meta/recipes-bsp/acpid') diff --git a/meta/recipes-bsp/acpid/acpid.inc b/meta/recipes-bsp/acpid/acpid.inc index 40293c5ee4..a384265179 100644 --- a/meta/recipes-bsp/acpid/acpid.inc +++ b/meta/recipes-bsp/acpid/acpid.inc @@ -6,7 +6,8 @@ LICENSE="GPLv2+" SECTION = "base" SRC_URI = "${SOURCEFORGE_MIRROR}/acpid/acpid-${PV}.tar.gz \ - file://init" + file://init \ + file://set_socket_noblock.patch " inherit update-rc.d diff --git a/meta/recipes-bsp/acpid/acpid/set_socket_noblock.patch b/meta/recipes-bsp/acpid/acpid/set_socket_noblock.patch new file mode 100644 index 0000000000..54d64351d7 --- /dev/null +++ b/meta/recipes-bsp/acpid/acpid/set_socket_noblock.patch @@ -0,0 +1,10 @@ +--- a/acpid.c ++++ b/acpid.c +@@ -307,6 +307,7 @@ main(int argc, char **argv) + non_root_clients++; + } + fcntl(cli_fd, F_SETFD, FD_CLOEXEC); ++ fcntl(cli_fd, F_SETFL, O_NONBLOCK); + snprintf(buf, sizeof(buf)-1, "%d[%d:%d]", + creds.pid, creds.uid, creds.gid); + acpid_add_client(cli_fd, buf); -- cgit 1.2.3-korg