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TI-2006-04194 Aliases CVE-2006-4342GHSA-876r-chc7-85m3

The kernel in Red Hat Enterprise Linux 3, when running on SMP systems, allows local users…

Priority LOW 25CWE-667Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-667 and the CVSS impact.

Summary

The kernel in Red Hat Enterprise Linux 3, when running on SMP systems, allows local users to cause a denial of service (deadlock) by running the shmat function on an shm at the same time that shmctl is removing that shm (IPC_RMID), which prevents a spinlock from being unlocked.

Why it matters now

EPSS 0.0039 33rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux:3.0:*:*:*:*:*:*:*3.0VulnerableRed Hat
  • cpe:2.3:o:redhat:enterprise_linux:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat

Remediation

Red Hat 1 advisory

  • RHSA-2006:0710 Released 2006-10-20 · Red Hat rating Important
    kernel security update
    • Red Hat Desktop version 3 kernel-2.4.21-47.0.1.EL, kernel-2.4.21-47.0.1.EL.athlon, kernel-2.4.21-47.0.1.EL.ia32e +14
    • Red Hat Enterprise Linux AS version 3 kernel-2.4.21-47.0.1.EL, kernel-2.4.21-47.0.1.EL.athlon, kernel-2.4.21-47.0.1.EL.ia32e +22
    • Red Hat Enterprise Linux ES version 3 kernel-2.4.21-47.0.1.EL, kernel-2.4.21-47.0.1.EL.athlon, kernel-2.4.21-47.0.1.EL.ia32e +18
    • Red Hat Enterprise Linux WS version 3 kernel-2.4.21-47.0.1.EL, kernel-2.4.21-47.0.1.EL.athlon, kernel-2.4.21-47.0.1.EL.ia32e +18

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2006:0710
Red Hat Enterprise Linux AS version 3Fixed RHSA-2006:0710
Red Hat Enterprise Linux ES version 3Fixed RHSA-2006:0710
Red Hat Enterprise Linux WS version 3Fixed RHSA-2006:0710

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-4342
  2. 2026-10-03 Alias added: GHSA-876r-chc7-85m3

References

  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-10530 Code injection in [UNKNOWN] RichFaces KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-23530 Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf… KEVCVSS 3.1CRITICAL 9.3
  • TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
See all 1955 →

Sources