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Linux Kernel "L2CAP" and "HCI" Information Disclosure Advisory Available in Danish  Advisory Available in German 

Secunia Advisory: SA24976  
Release Date: 2007-04-25
Last Update: 2007-06-07

Critical:
Not critical
Impact: Exposure of sensitive information
Where: Local system
Solution Status: Vendor Patch

OS:Linux Kernel 2.4.x


CVE reference:CVE-2007-1353 (Secunia mirror)

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Description:
Two weaknesses have been reported in the Linux Kernel, which can be exploited by malicious, local users to disclose potential sensitive information.

The weaknesses are caused due to uninitialised variables within the "hci_sock_setsockopt()" function in net/bluetooth/hci_sock.c and the "l2cap_sock_setsockopt()" function in net/bluetooth/l2cap.c and can potentially be exploited to disclose uninitialised bytes of the kernel stack.

The weaknesses are reported in versions prior to 2.4.34.3.

Solution:
Update to version 2.4.34.5.

Provided and/or discovered by:
Reported by the vendor.

Changelog:
2007-06-07: Updated "Solution" section due to errors with the previous patch. Added link to the new ChangeLog.

Original Advisory:
http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.34.3
http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.34.5



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

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