CVE-2004-1056: linux linux_kernel
Vulnerability summary
CVE-2004-1056 is a medium (CVSS 6.4) vulnerability in linux linux_kernel. EPSS estimates a 3.27% chance of exploitation in the next 30 days, higher than 88.4% of scored vulnerabilities.
Not severe (CVSS 6.4, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 22-12-2004PublishedVulnerability first disclosed.
- 08-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
3.27%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.27% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Linux1 product
- linux_kernel2.6.0 | 2.6.0:test1 | 2.6.0:test10 | 2.6.0:test11 | 2.6.0:test2 | 2.6.0:test3 | 2.6.0:test4 | 2.6.0:test5 | 2.6.0:test6 | 2.6.0:test7 | 2.6.0:test8 | 2.6.0:test9 | 2.6.1 | 2.6.1:rc1 | 2.6.1:rc2 | 2.6.2 | 2.6.3 | 2.6.4 | 2.6.5 | 2.6.6 | 2.6.6:rc1 | 2.6.7 | 2.6.7:rc1 | 2.6.8 | 2.6.8:rc1 | 2.6.8:rc2 | 2.6.8:rc3 | 2.6.9:2.6.20 | 2.6.10:rc2 | 2.6_test9_cvs
Ubuntu1 product
- ubuntu_linux4.1
2 vendors · 2 products
References
10 links- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9795VDB EntrySignatureX Refsource OVAL