From 1ff79b037c242f266bd4ea659d37022226343349 Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Sun, 27 Dec 2015 04:24:42 +0000 Subject: [PATCH] bluetooth: Validate socket address length in sco_sock_bind() (CVE-2015-8575) --- debian/changelog | 1 + ...te-socket-address-length-in-sco_sock.patch | 22 +++++++++++++++++++ debian/patches/series | 1 + 3 files changed, 24 insertions(+) create mode 100644 debian/patches/bugfix/all/bluetooth-validate-socket-address-length-in-sco_sock.patch diff --git a/debian/changelog b/debian/changelog index 4de0dc602..5c0d8ddc0 100644 --- a/debian/changelog +++ b/debian/changelog @@ -4,6 +4,7 @@ linux (4.3.3-3) UNRELEASED; urgency=medium * [ppc64*] drm: Enable DRM_AST as module (Closes: #808338) * block: ensure to split after potentially bouncing a bio (Closes: #809082) * pptp: verify sockaddr_len in pptp_bind() and pptp_connect() (CVE-2015-8569) + * bluetooth: Validate socket address length in sco_sock_bind() (CVE-2015-8575) [ Salvatore Bonaccorso ] * ovl: fix permission checking for setattr (CVE-2015-8660) diff --git a/debian/patches/bugfix/all/bluetooth-validate-socket-address-length-in-sco_sock.patch b/debian/patches/bugfix/all/bluetooth-validate-socket-address-length-in-sco_sock.patch new file mode 100644 index 000000000..ab4bdf6bd --- /dev/null +++ b/debian/patches/bugfix/all/bluetooth-validate-socket-address-length-in-sco_sock.patch @@ -0,0 +1,22 @@ +From: "David S. Miller" +Date: Tue, 15 Dec 2015 15:39:08 -0500 +Subject: bluetooth: Validate socket address length in sco_sock_bind(). +Origin: https://git.kernel.org/linus/5233252fce714053f0151680933571a2da9cbfb4 + +Signed-off-by: David S. Miller +--- + net/bluetooth/sco.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/net/bluetooth/sco.c ++++ b/net/bluetooth/sco.c +@@ -519,6 +519,9 @@ static int sco_sock_bind(struct socket * + if (!addr || addr->sa_family != AF_BLUETOOTH) + return -EINVAL; + ++ if (addr_len < sizeof(struct sockaddr_sco)) ++ return -EINVAL; ++ + lock_sock(sk); + + if (sk->sk_state != BT_OPEN) { diff --git a/debian/patches/series b/debian/patches/series index 94480a9ca..c202faa2e 100644 --- a/debian/patches/series +++ b/debian/patches/series @@ -108,3 +108,4 @@ debian/armhf-sparc64-force-zone_dma-to-be-enabled.patch bugfix/all/ovl-fix-permission-checking-for-setattr.patch bugfix/all/block-ensure-to-split-after-potentially-bouncing-a-b.patch bugfix/all/pptp-verify-sockaddr_len-in-pptp_bind-and-pptp_conne.patch +bugfix/all/bluetooth-validate-socket-address-length-in-sco_sock.patch