No exploitation reportedFix available

CVE-2006-5158

Q: Is CVE-2006-5158 actively exploited?

Active exploitation of CVE-2006-5158 has not been confirmed. Its EPSS score was 3.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2006-5158?

CVE-2006-5158 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

No exploitation reported by the sources we read.

Published2006-10-05
WeaknessCWE-667

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The nlmclnt_mark_reclaim in clntlock.c in NFS lockd in Linux kernel before 2.6.16 allows remote attackers to cause a denial of service (process crash) and deny access to NFS exports via unspecified vectors that trigger a kernel oops (null dereference) and a deadlock.

Timeline

dates in UTC

2006-10-0504:04CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2006-5158?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2006-5158?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Canonical ubuntu linux

Branch	Affected	Fixed in	Source
5.10	= 5.10	no fix published	NVD
6.6	= 6.06	no fix published	NVD
6.10	= 6.10	no fix published	NVD

Linux linux kernel

Branch	Affected	Fixed in	Source
2.6	< 2.6.16	2.6.16	NVD

Redhat enterprise linux desktop

Branch	Affected	Fixed in	Source
4.0	= 4.0	no fix published	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

marc.infoPatch
secunia.comVendor Advisory
secunia.comVendor Advisory
secunia.comVendor Advisory
secunia.comVendor Advisory
www.mandriva.comPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.03.3read 2026-10-23
NVDweakness (CWE)CWE-667read 2026-10-23
FIRST EPSSEPSS score3.7 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2006-10-05
Last Modified: 2026-06-16
NVD status: Modified

Frequently asked questions

What is CVE-2006-5158?

Is CVE-2006-5158 actively exploited?

Active exploitation of CVE-2006-5158 has not been confirmed. Its EPSS score was 3.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2006-5158?

CVE-2006-5158 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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