CVE-2004-1056

Severity: medium (CVSS 6.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-01-10 · updated 2026-06-16

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.

Affected products

Linux kernel: 2.6.0, 2.6.0-test1, 2.6.0-test10, 2.6.0-test11, 2.6.0-test2, 2.6.0-test3 (+24)
Ubuntu Linux: 4.1

References

http://secunia.com/advisories/17002
http://www.redhat.com/support/errata/RHSA-2005-092.html
http://www.redhat.com/support/errata/RHSA-2005-529.html
http://www.redhat.com/support/errata/RHSA-2005-551.html
http://www.redhat.com/support/errata/RHSA-2005-663.html
http://www.vupen.com/english/advisories/2005/1878
https://bugzilla.fedora.us/show_bug.cgi?id=2336
https://exchange.xforce.ibmcloud.com/vulnerabilities/15972
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9795
https://www.ubuntu.com/usn/usn-38-1/
http://secunia.com/advisories/17002
http://www.redhat.com/support/errata/RHSA-2005-092.html

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