CVE-2006-4623: linux linux_kernel
Vulnerability summary
CVE-2006-4623 is a high (CVSS 7.8) vulnerability in linux linux_kernel. EPSS estimates a 4.34% chance of exploitation in the next 30 days, higher than 91.2% of scored vulnerabilities.
Not severe (CVSS 7.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3Timeline
- 11-09-2006PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The Unidirectional Lightweight Encapsulation (ULE) decapsulation component in dvb-core/dvb_net.c in the dvb driver in the Linux kernel 2.6.17.8 allows remote attackers to cause a denial of service (crash) via an SNDU length of 0 in a ULE packet.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
4.34%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
Increase +0.08 pp
From 4.26% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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_kernel2.6.17.8
1 vendor · 1 product
References
22 links- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9775VDB EntrySignatureX Refsource OVAL
Show all 22 references
- support.avaya.com/elmodocs2/security/ASA-2006-249.htmX Refsource CONFIRM
- issues.rpath.com/browse/RPL-721X Refsource CONFIRM