What is CVE-2010-4242?

CVE-2010-4242 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.0 out of 10. CVE-2010-4242 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2010-4242?

CVE-2010-4242 has a CVSS score of 4.0 out of 10, rated Medium severity. The vector string is AV:L/AC:H/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2010-4242?

No patch is currently available for CVE-2010-4242. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2010-4242 actively exploited?

CVE-2010-4242 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2010-4242

Medium

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.

Package Linux Kernel

Published 2011-01-11

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.0

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

User Interaction

Scope

Confidentiality

High

Integrity

None

Availability

Vector string

AV:L/AC:H/Au:N/C:N/I:N/A:C

References

The following references provide additional information about CVE-2010-4242 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
Secunia
http://secunia.com/advisories/42789
Secunia
http://secunia.com/advisories/42890
Secunia
http://secunia.com/advisories/42963
Secunia
http://secunia.com/advisories/43291
Secunia
http://secunia.com/advisories/46397
Red Hat
http://www.redhat.com/support/errata/RHSA-2011-0004.html
Red Hat
http://www.redhat.com/support/errata/RHSA-2011-0007.html
Red Hat
http://www.redhat.com/support/errata/RHSA-2011-0162.html
Securityfocus
http://www.securityfocus.com/archive/1/520102/100/0/threaded
Securityfocus
http://www.securityfocus.com/bid/45014
Vmware
http://www.vmware.com/security/advisories/VMSA-2011-0012.html
Vupen
http://www.vupen.com/english/advisories/2011/0024
Vupen
http://www.vupen.com/english/advisories/2011/0168
Vupen
http://www.vupen.com/english/advisories/2011/0375
Exchange
https://exchange.xforce.ibmcloud.com/vulnerabilities/64617
Lkml
https://lkml.org/lkml/2010/10/7/255
Kernel patch commit
http://git.kernel.org/linus/c19483cc5e56ac5e22dd19cf25ba210ab1537773
Patch
Kernel patch commit
http://xorl.wordpress.com/2010/12/01/cve-2010-4242-linux-kernel-bluetooth-hci-uart-invalid-pointer-access/
Patch
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=641410
Patch

Details

CVE ID CVE-2010-4242

Severity Medium

CVSS score 4.0 / 10

CVSS version 2.0

Published 2011-01-11

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2010-4242?

CVE-2010-4242 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.0 out of 10 . CVE-2010-4242 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2010-4242?

CVE-2010-4242 has a CVSS score of 4.0 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:H/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2010-4242?

No patch is currently available for CVE-2010-4242. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2010-4242 actively exploited?

No — CVE-2010-4242 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.