{"id":"CVE-2009-1883","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-1883","generatedAt":"2026-10-27T18:48:19.055Z","title":"The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.","description":"The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.","published":"2009-09-18T10:30:01.000Z","lastModified":"2026-06-16T23:08:17.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":4.4,"severity":"MEDIUM","vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P"},"cwe":["CWE-264"],"affected":["linux/linux kernel"],"epss":{"score":0.00342,"percentile":0.27493,"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 (0.34%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/36759","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/37105","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2009/09/15/1","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2009/09/15/3","source":"secalert@redhat.com"},{"url":"http://www.redhat.com/support/errata/RHSA-2009-1438.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-852-1","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=505983","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/36759","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/37105","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2009/09/15/1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2009/09/15/3","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2009-1438.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-852-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=505983","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-1883","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."}