{"id":"CVE-2009-4005","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-4005","generatedAt":"2026-10-27T18:44:59.825Z","title":"The collect_rx_frame function in drivers/isdn/hisax/hfc_usb.c in the Linux kernel before 2.6.32-rc7 allows attackers to have an unspecified impact via a crafted HDLC packet that arrives over ISDN and triggers a buffer under-read.","description":"The collect_rx_frame function in drivers/isdn/hisax/hfc_usb.c in the Linux kernel before 2.6.32-rc7 allows attackers to have an unspecified impact via a crafted HDLC packet that arrives over ISDN and triggers a buffer under-read.","published":"2009-11-20T02:30:02.000Z","lastModified":"2026-06-16T23:12:49.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.2,"severity":"HIGH","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C"},"cwe":["CWE-119"],"affected":["linux/linux kernel"],"epss":{"score":0.0042,"percentile":0.36083,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=286e633ef0ff5bb63c07b4516665da8004966fec","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/37720","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/37909","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/38017","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/38276","source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2010/dsa-2005","source":"cve@mitre.org"},{"url":"http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc7","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:030","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/37036","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/usn-864-1","source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2009/3267","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/54310","source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11155","source":"cve@mitre.org"},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00777.html","source":"cve@mitre.org"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=286e633ef0ff5bb63c07b4516665da8004966fec","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/37720","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/37909","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/38017","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/38276","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2010/dsa-2005","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc7","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:030","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/37036","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/usn-864-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2009/3267","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/54310","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11155","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00777.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-4005","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}