oss-security - CVE-2017-13220 / Android A-63527053: Linux kernel: Possible out-of-bound access in Bluetooth subsystem

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Date: Tue, 10 Apr 2018 05:15:38 -0400 (EDT)
From: Vladis Dronov <vdronov@...hat.com>
To: oss-security@...ts.openwall.com
Subject: CVE-2017-13220 / Android A-63527053: Linux kernel: Possible
 out-of-bound access in Bluetooth subsystem

Hello,

There was a flaw CVE-2017-13220 / Android A-63527053 reported in Android
security bulletin with not much of public details:

https://source.android.com/security/bulletin/pixel/2018-01-01#kernel-components

Per discussion with Android security developer this flaw is related to
an upstream commit 51bda2bca53b ("Bluetooth: hidp_connection_add() unsafe
use of l2cap_pi()").

Red Hat is handling this flaw in:

https://bugzilla.redhat.com/show_bug.cgi?id=1536155

I believe the other distributions may want to update the related bug pages
with the info above:

https://bugzilla.suse.com/show_bug.cgi?id=1076537
https://security-tracker.debian.org/tracker/CVE-2017-13220
https://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-13220.html

Best regards,
Vladis Dronov | Red Hat, Inc. | Product Security Engineer

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