[linux] 02/02: bluetooth: Validate socket address length in sco_sock_bind() (CVE-2015-8575)

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benh pushed a commit to branch squeeze-security
in repository linux.

commit f31caa5beabf705b52ef78984ffaa3e26fe47674
Author: Ben Hutchings <ben at decadent.org.uk>
Date:   Sun Dec 27 20:13:22 2015 +0000

    bluetooth: Validate socket address length in sco_sock_bind() (CVE-2015-8575)
---
 debian/changelog                                   |  1 +
 ...alidate-socket-address-length-in-sco_sock.patch | 22 ++++++++++++++++++++++
 debian/patches/series/48squeeze18                  |  1 +
 3 files changed, 24 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index f6e1f88..4d7318e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,7 @@
 linux-2.6 (2.6.32-48squeeze18) UNRELEASED; urgency=medium
 
   * net: add validation for the socket syscall protocol argument (CVE-2015-8543)
+  * bluetooth: Validate socket address length in sco_sock_bind() (CVE-2015-8575)
 
  -- Ben Hutchings <ben at decadent.org.uk>  Sun, 27 Dec 2015 20:06:05 +0000
 
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 0000000..a99b5ed
--- /dev/null
+++ b/debian/patches/bugfix/all/bluetooth-validate-socket-address-length-in-sco_sock.patch
@@ -0,0 +1,22 @@
+From: "David S. Miller" <davem at davemloft.net>
+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 <davem at davemloft.net>
+---
+ net/bluetooth/sco.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+--- a/net/bluetooth/sco.c
++++ b/net/bluetooth/sco.c
+@@ -463,6 +463,9 @@ 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/48squeeze18 b/debian/patches/series/48squeeze18
index ba6014c..a05ec9e 100644
--- a/debian/patches/series/48squeeze18
+++ b/debian/patches/series/48squeeze18
@@ -1 +1,2 @@
 + bugfix/all/net-add-validation-for-the-socket-syscall-protocol-a.patch
++ bugfix/all/bluetooth-validate-socket-address-length-in-sco_sock.patch

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