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Fencer Vulns
medium 4.6

CVE-2006-4814 json

The mincore function in the Linux kernel before 2.4.33.6 does not properly lock access to user space, which has unspecified impact and atta…

published 2006-12-20 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-4801

cvss
4.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

The mincore function in the Linux kernel before 2.4.33.6 does not properly lock access to user space, which has unspecified impact and attack vectors, possibly related to a deadlock.

Patch / fix

  • kernel RHEL 2.1 2.4.9-e.74
  • kernel-smp RHEL 2.1 2.4.9-e.74
  • kernel-BOOT RHEL 2.1 2.4.9-e.74
  • kernel-source RHEL 2.1 2.4.9-e.74
  • kernel-summit RHEL 2.1 2.4.9-e.74
  • kernel-enterprise RHEL 2.1 2.4.9-e.74
  • kernel RHEL 2.1 2.4.18-e.67
  • kernel-smp RHEL 2.1 2.4.18-e.67

red hat advisories RHSA-2009:0001RHSA-2008:0787RHSA-2008:0211RHSA-2007:0014

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2006-4814 updated

kernel Race condition in mincore can cause "ps -ef" to hang

  • Red Hat Desktop version 3 kernel 2.4.21-57.EL, kernel-smp 2.4.21-57.EL, kernel-BOOT 2.4.21-57.EL, kernel-source 2.4.21-57.EL, kernel-hugemem 2.4.21-57.EL, kernel-unsupported 2.4.21-57.EL, +2 more
    fixed: vendor fix RHSA-2008:0211
  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 kernel 2.4.9-e.74, kernel 2.4.18-e.67, kernel-smp 2.4.9-e.74, kernel-BOOT 2.4.9-e.74, kernel-smp 2.4.18-e.67, kernel-source 2.4.9-e.74, +3 more
    fixed: vendor fix RHSA-2008:0787
  • Red Hat Enterprise Linux AS version 3 kernel 2.4.21-57.EL, kernel-smp 2.4.21-57.EL, kernel-BOOT 2.4.21-57.EL, kernel-source 2.4.21-57.EL, kernel-hugemem 2.4.21-57.EL, kernel-unsupported 2.4.21-57.EL, +2 more
    fixed: vendor fix RHSA-2008:0211
  • Red Hat Enterprise Linux AS version 4 kernel 2.6.9-42.0.8.EL, kernel-smp 2.6.9-42.0.8.EL, kernel-hugemem 2.6.9-42.0.8.EL, kernel-largesmp 2.6.9-42.0.8.EL Red Hat Enterprise Linux Desktop version 4 kernel 2.6.9-42.0.8.EL, kernel-smp 2.6.9-42.0.8.EL, kernel-hugemem 2.6.9-42.0.8.EL, kernel-largesmp 2.6.9-42.0.8.EL
    fixed: vendor fix RHSA-2007:0014
  • Red Hat Enterprise Linux ES version 2.1 kernel 2.4.9-e.74, kernel-smp 2.4.9-e.74, kernel-BOOT 2.4.9-e.74, kernel-source 2.4.9-e.74, kernel-summit 2.4.9-e.74, kernel-enterprise 2.4.9-e.74
    fixed: vendor fix RHSA-2009:0001
  • Red Hat Enterprise Linux ES version 3 kernel 2.4.21-57.EL, kernel-smp 2.4.21-57.EL, kernel-BOOT 2.4.21-57.EL, kernel-source 2.4.21-57.EL, kernel-hugemem 2.4.21-57.EL, kernel-unsupported 2.4.21-57.EL, +2 more
    fixed: vendor fix RHSA-2008:0211
  • Red Hat Enterprise Linux ES version 4 kernel 2.6.9-42.0.8.EL, kernel-smp 2.6.9-42.0.8.EL, kernel-hugemem 2.6.9-42.0.8.EL, kernel-largesmp 2.6.9-42.0.8.EL
    fixed: vendor fix RHSA-2007:0014
  • Red Hat Enterprise Linux WS version 2.1 kernel 2.4.9-e.74, kernel-smp 2.4.9-e.74, kernel-BOOT 2.4.9-e.74, kernel-source 2.4.9-e.74, kernel-summit 2.4.9-e.74, kernel-enterprise 2.4.9-e.74
    fixed: vendor fix RHSA-2009:0001
show 3 more
  • Red Hat Enterprise Linux WS version 3 kernel 2.4.21-57.EL, kernel-smp 2.4.21-57.EL, kernel-BOOT 2.4.21-57.EL, kernel-source 2.4.21-57.EL, kernel-hugemem 2.4.21-57.EL, kernel-unsupported 2.4.21-57.EL, +2 more
    fixed: vendor fix RHSA-2008:0211
  • Red Hat Enterprise Linux WS version 4 kernel 2.6.9-42.0.8.EL, kernel-smp 2.6.9-42.0.8.EL, kernel-hugemem 2.6.9-42.0.8.EL, kernel-largesmp 2.6.9-42.0.8.EL
    fixed: vendor fix RHSA-2007:0014
  • Red Hat Linux Advanced Workstation 2.1 kernel 2.4.18-e.67, kernel-smp 2.4.18-e.67, kernel-source 2.4.18-e.67
    fixed: vendor fix RHSA-2008:0787

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.6 AV:L/AC:L/Au:S/C:N/I:N/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.