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CVE-2006-4623

The Unidirectional Lightweight Encapsulation (ULE) decapsulation component in dvb-core/dvb_net.c...

7.8 High

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.

Exploit likelihood

4.34%Unchanged since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

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.

Record
CVE-2006-4623
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2006-4623
Updated
2026-11-02
EUVDEUVD-2006-4611 No score

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.

Record
EUVD-2006-4611
Updated
2026-11-03
GitHub AdvisoriesGHSA-m979-hwfc-hpv2 No score

The Unidirectional Lightweight Encapsulation (ULE) decapsulation component in dvb-core/dvb_net.c...

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.

Record
GHSA-m979-hwfc-hpv2
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
kernel-source-2.6.8
Debian:3.1
From an advisory covering 14 CVEs
 before 2.6.8-16sarge7, plus listed versions
2.6.8-162.6.8-16sarge12.6.8-16sarge22.6.8-16sarge32.6.8-16sarge42.6.8-16sarge52.6.8-16sarge6
2.6.8-16sarge7
kernel
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-doc
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-hugemem
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-largesmp
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-smp
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
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Affected packages
PackageAffectedFixed
kernel-smp-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-doc
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-hugemem
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-largesmp
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-smp
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-doc
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-hugemem
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-largesmp
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-smp
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-doc
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-hugemem
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-largesmp
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-smp
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:2.6.9-42.0.3.EL
0:2.6.9-42.0.3.EL

History

History
RecordedChangedSources
affected, facts
affected
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-4623 is a high vulnerability (CVSS 7.8) in Linux Kernel, published September 11, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.34%, the 91st percentile. No source names a fixed version.

References

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