bluetooth: Validate socket address length in sco_sock_bind() (CVE-2015-8575)
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e9708970a6
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@ -4,6 +4,7 @@ linux (4.3.3-3) UNRELEASED; urgency=medium
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* [ppc64*] drm: Enable DRM_AST as module (Closes: #808338)
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* [ppc64*] drm: Enable DRM_AST as module (Closes: #808338)
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* block: ensure to split after potentially bouncing a bio (Closes: #809082)
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* block: ensure to split after potentially bouncing a bio (Closes: #809082)
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* pptp: verify sockaddr_len in pptp_bind() and pptp_connect() (CVE-2015-8569)
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* pptp: verify sockaddr_len in pptp_bind() and pptp_connect() (CVE-2015-8569)
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* bluetooth: Validate socket address length in sco_sock_bind() (CVE-2015-8575)
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[ Salvatore Bonaccorso ]
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[ Salvatore Bonaccorso ]
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* ovl: fix permission checking for setattr (CVE-2015-8660)
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* ovl: fix permission checking for setattr (CVE-2015-8660)
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22
debian/patches/bugfix/all/bluetooth-validate-socket-address-length-in-sco_sock.patch
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debian/patches/bugfix/all/bluetooth-validate-socket-address-length-in-sco_sock.patch
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@ -0,0 +1,22 @@
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From: "David S. Miller" <davem@davemloft.net>
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Date: Tue, 15 Dec 2015 15:39:08 -0500
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Subject: bluetooth: Validate socket address length in sco_sock_bind().
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Origin: https://git.kernel.org/linus/5233252fce714053f0151680933571a2da9cbfb4
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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net/bluetooth/sco.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/net/bluetooth/sco.c
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+++ b/net/bluetooth/sco.c
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@@ -519,6 +519,9 @@ static int sco_sock_bind(struct socket *
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if (!addr || addr->sa_family != AF_BLUETOOTH)
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return -EINVAL;
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+ if (addr_len < sizeof(struct sockaddr_sco))
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+ return -EINVAL;
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+
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lock_sock(sk);
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if (sk->sk_state != BT_OPEN) {
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@ -108,3 +108,4 @@ debian/armhf-sparc64-force-zone_dma-to-be-enabled.patch
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bugfix/all/ovl-fix-permission-checking-for-setattr.patch
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bugfix/all/ovl-fix-permission-checking-for-setattr.patch
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bugfix/all/block-ensure-to-split-after-potentially-bouncing-a-b.patch
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bugfix/all/block-ensure-to-split-after-potentially-bouncing-a-b.patch
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bugfix/all/pptp-verify-sockaddr_len-in-pptp_bind-and-pptp_conne.patch
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bugfix/all/pptp-verify-sockaddr_len-in-pptp_bind-and-pptp_conne.patch
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bugfix/all/bluetooth-validate-socket-address-length-in-sco_sock.patch
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