National Vulnerability Database

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    Vulnerabilities Detail

CVE-2010-4242 Detail

Description

The hci_uart_tty_open function in the HCI UART driver (drivers/bluetooth/hci_ldisc.c) in the Linux kernel 2.6.36, and possibly other versions, does not verify whether the tty has a write operation, which allows local users to cause a denial of service (NULL pointer dereference) via vectors related to the Bluetooth driver.

Source:  MITRE
Description Last Modified:  01/10/2011

Evaluator Description

Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.0 MEDIUM
Vector: (AV:L/AC:H/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 1.9

Access Vector (AV): Local
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/linus/c19483cc5e56ac5e22dd19cf25ba210ab1537773 Patch
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
http://www.redhat.com/support/errata/RHSA-2011-0004.html
http://www.redhat.com/support/errata/RHSA-2011-0007.html
http://www.redhat.com/support/errata/RHSA-2011-0162.html
http://www.securityfocus.com/archive/1/520102/100/0/threaded
http://www.securityfocus.com/bid/45014
http://www.vmware.com/security/advisories/VMSA-2011-0012.html
http://www.vupen.com/english/advisories/2011/0024
http://www.vupen.com/english/advisories/2011/0168
http://www.vupen.com/english/advisories/2011/0375
http://xorl.wordpress.com/2010/12/01/cve-2010-4242-linux-kernel-bluetooth-hci-uart-invalid-pointer-access/ Exploit Patch
https://bugzilla.redhat.com/show_bug.cgi?id=641410 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/64617
https://lkml.org/lkml/2010/10/7/255

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:linux:linux_kernel:2.6.36:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2010-4242
NVD Published Date:
01/10/2011
NVD Last Modified:
10/10/2018