7.5

CVE-2006-5158: canonical ubuntu_linux Improper Locking

Modified
Published 03-10-2006Last modified 07-08-2024

Vulnerability summary

CVE-2006-5158 is a high (CVSS 7.5) Improper Locking vulnerability in canonical ubuntu_linux. EPSS estimates a 3.72% chance of exploitation in the next 30 days, higher than 89.8% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 4% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
3.72%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
RHSA-2007:0488

Timeline

  1. 03-10-2006
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.72%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

Increase +0.07 pp

From 3.65% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat4 products
Canonical1 product
Linux1 product

3 vendors · 6 products

References

15 links
Show all 15 references