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Fencer Vulns
medium 4.9

CVE-2006-5754 json

The aio_setup_ring function in Linux kernel does not properly initialize a variable, which allows local users to cause a denial of service…

published 2007-01-30 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-5738

cvss
4.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits
0
none known

Summary

The aio_setup_ring function in Linux kernel does not properly initialize a variable, which allows local users to cause a denial of service (crash) via an unspecified error path that causes an incorrect free operation.

Patch / fix

  • kernel RHEL 4 2.6.9-42.0.8.EL
  • kernel-smp RHEL 4 2.6.9-42.0.8.EL
  • kernel-hugemem RHEL 4 2.6.9-42.0.8.EL
  • kernel-largesmp RHEL 4 2.6.9-42.0.8.EL

red hat advisories RHSA-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-2006-5754 updated

security flaw

  • 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 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 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 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

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

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.