CVE-2010-4242
MEDIUM · CVSS 4.0EPSS 0.5%EU EUVD
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.
Key facts
- CVSS score
- 4.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:H/Au:N/C:N/I:N/A:C- EPSS score
- 0.5% (40th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2010-4215)
- Published
- January 11, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2010-4215 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
References
- http://git.kernel.org/linus/c19483cc5e56ac5e22dd19cf25ba210ab1537773(Patch)
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
- http://secunia.com/advisories/42789
- http://secunia.com/advisories/42890
- http://secunia.com/advisories/42963
- http://secunia.com/advisories/43291
- http://secunia.com/advisories/46397
- 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
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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