{"id":"CVE-2004-1056","url":"https://www.cyber-defence.io/tools/cve/CVE-2004-1056","generatedAt":"2026-10-27T18:32:51.241Z","title":"Direct Rendering Manager (DRM) driver in Linux kernel 2.6 does not properly check the DMA lock, which could allow remote attackers or local users to cause a denial of service (X Server crash) and possibly modify the video output.","description":"Direct Rendering Manager (DRM) driver in Linux kernel 2.6 does not properly check the DMA lock, which could allow remote attackers or local users to cause a denial of service (X Server crash) and possibly modify the video output.","published":"2005-01-10T05:00:00.000Z","lastModified":"2026-06-16T22:06:55.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":6.4,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P"},"cwe":[],"affected":["linux/linux kernel","ubuntu/ubuntu linux"],"epss":{"score":0.03268,"percentile":0.8831,"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 (3.27%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://secunia.com/advisories/17002","source":"cve@mitre.org"},{"url":"http://www.redhat.com/support/errata/RHSA-2005-092.html","source":"cve@mitre.org"},{"url":"http://www.redhat.com/support/errata/RHSA-2005-529.html","source":"cve@mitre.org"},{"url":"http://www.redhat.com/support/errata/RHSA-2005-551.html","source":"cve@mitre.org"},{"url":"http://www.redhat.com/support/errata/RHSA-2005-663.html","source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2005/1878","source":"cve@mitre.org"},{"url":"https://bugzilla.fedora.us/show_bug.cgi?id=2336","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/15972","source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9795","source":"cve@mitre.org"},{"url":"https://www.ubuntu.com/usn/usn-38-1/","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/17002","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2005-092.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2005-529.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2005-551.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2005-663.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2005/1878","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.fedora.us/show_bug.cgi?id=2336","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/15972","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9795","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ubuntu.com/usn/usn-38-1/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2004-1056","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."}