{"cve":"CVE-2010-4242","nvd":{"published":"2011-01-11T03:00:03.983","modified":"2026-06-16T23:24:25.363","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://git.kernel.org/linus/c19483cc5e56ac5e22dd19cf25ba210ab1537773","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"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T19:57:56.749847046+00:00"},"epss":{"cve":"CVE-2010-4242","score":0.00459,"percentile":0.39794,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}