{"id":"CVE-2009-2909","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-2909","generatedAt":"2026-10-27T18:33:25.719Z","title":"Integer signedness error in the ax25_setsockopt function in net/ax25/af_ax25.c in the ax25 subsystem in the Linux kernel before 2.6.31.2 allows local users to cause a denial of service (OOPS) via a crafted optlen value in an SO_BINDTODEVICE operation.","description":"Integer signedness error in the ax25_setsockopt function in net/ax25/af_ax25.c in the ax25 subsystem in the Linux kernel before 2.6.31.2 allows local users to cause a denial of service (OOPS) via a crafted optlen value in an SO_BINDTODEVICE operation.","published":"2009-10-20T17:30:01.000Z","lastModified":"2026-06-16T23:10:29.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":4.9,"severity":"MEDIUM","vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C"},"cwe":["CWE-189"],"affected":["linux/linux kernel"],"epss":{"score":0.00395,"percentile":0.33442,"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":"low","text":"Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://article.gmane.org/gmane.linux.kernel/896907","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=b7058842c940ad2c08dd829b21e5c92ebe3b8758","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=oss-security&m=125494119617994&w=2","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/37075","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/37351","source":"secalert@redhat.com"},{"url":"http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.2","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/36635","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/usn-864-1","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=528887","source":"secalert@redhat.com"},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.html","source":"secalert@redhat.com"},{"url":"http://article.gmane.org/gmane.linux.kernel/896907","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=b7058842c940ad2c08dd829b21e5c92ebe3b8758","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=oss-security&m=125494119617994&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/37075","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/37351","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/36635","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/usn-864-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=528887","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-2909","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."}