CVE-2010-4242

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.36:*:*:*:*:*:*:*", "matchCriteriaId": "9F73DF14-B205-4345-8D2C-9F6F917C7998", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "La funci\u00f3n hci_uart_tty_open del controlador HCI UART (drivers/bluetooth/hci_ldisc.c) del kernel de Linux 2.6.36, y posiblemente otras versiones, no verifica si el tty tiene una operaci\u00f3n de escritura, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (desreferenciaci\u00f3n de puntero a NULL) a trav\u00e9s de vectores relacionados con el controlador de Bluetooth."}], "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n\r\n'CWE-476: NULL Pointer Dereference'", "id": "CVE-2010-4242", "lastModified": "2026-06-16T23:24:25.363", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 1.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-01-11T03:00:03.983", "references": [{"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://git.kernel.org/linus/c19483cc5e56ac5e22dd19cf25ba210ab1537773"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/42789"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/42890"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/42963"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/43291"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/46397"}, {"source": "secalert@redhat.com", "url": "http://www.redhat.com/support/errata/RHSA-2011-0004.html"}, {"source": "secalert@redhat.com", "url": "http://www.redhat.com/support/errata/RHSA-2011-0007.html"}, {"source": "secalert@redhat.com", "url": "http://www.redhat.com/support/errata/RHSA-2011-0162.html"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/45014"}, {"source": "secalert@redhat.com", "url": "http://www.vmware.com/security/advisories/VMSA-2011-0012.html"}, {"source": "secalert@redhat.com", "url": "http://www.vupen.com/english/advisories/2011/0024"}, {"source": "secalert@redhat.com", "url": "http://www.vupen.com/english/advisories/2011/0168"}, {"source": "secalert@redhat.com", "url": "http://www.vupen.com/english/advisories/2011/0375"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Patch"], "url": "http://xorl.wordpress.com/2010/12/01/cve-2010-4242-linux-kernel-bluetooth-hci-uart-invalid-pointer-access/"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=641410"}, {"source": "secalert@redhat.com", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64617"}, {"source": 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{"acknowledgement": "Red Hat would like to thank Alan Cox for reporting this issue.", "affected_release": [{"advisory": "RHSA-2011:0330", "cpe": "cpe:/a:redhat:enterprise_mrg:1::el5", "package": "kernel-rt-0:2.6.33.7-rt29.55.el5rt", "product_name": "MRG for RHEL-5", "release_date": "2011-03-10T00:00:00Z"}, {"advisory": "RHSA-2011:0162", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "kernel-0:2.6.9-89.35.1.EL", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2011-01-18T00:00:00Z"}, {"advisory": "RHSA-2011:0004", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-194.32.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-01-04T00:00:00Z"}, {"advisory": "RHSA-2011:0007", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-71.14.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-01-11T00:00:00Z"}], "bugzilla": {"description": "kernel: missing tty ops write function presence check in hci_uart_tty_open()", "id": "641410", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=641410"}, "csaw": false, "cvss": {"cvss_base_score": "4.0", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["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."], "name": "CVE-2010-4242", "public_date": "2010-10-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-4242\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-4242"], "threat_severity": "Moderate"}

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