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TI-2006-01800 Aliases CVE-2006-1855GHSA-pfjh-pm9f-fp65

choose_new_parent in Linux kernel before 2.6.11.12 includes certain debugging code, which…

Priority LOW 12Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

choose_new_parent in Linux kernel before 2.6.11.12 includes certain debugging code, which allows local users to cause a denial of service (panic) by causing certain circumstances involving termination of a parent process.

Why it matters now

EPSS 0.00422 36th percentileScored 2026-11-07
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 · 11

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:2.6.11.1:*:*:*:*:*:*:*2.6.11.1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11.2:*:*:*:*:*:*:*2.6.11.2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11.3:*:*:*:*:*:*:*2.6.11.3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11.4:*:*:*:*:*:*:*2.6.11.4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11.5:*:*:*:*:*:*:*2.6.11.5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11.6:*:*:*:*:*:*:*2.6.11.6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11.7:*:*:*:*:*:*:*2.6.11.7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11.8:*:*:*:*:*:*:*2.6.11.8VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11.9:*:*:*:*:*:*:*2.6.11.9VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11.10:*:*:*:*:*:*:*2.6.11.10VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:2.6.11.1:*:*:*:*:*:*:* Versions 2.6.11.1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11.2:*:*:*:*:*:*:* Versions 2.6.11.2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11.3:*:*:*:*:*:*:* Versions 2.6.11.3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11.4:*:*:*:*:*:*:* Versions 2.6.11.4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11.5:*:*:*:*:*:*:* Versions 2.6.11.5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11.6:*:*:*:*:*:*:* Versions 2.6.11.6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11.7:*:*:*:*:*:*:* Versions 2.6.11.7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11.8:*:*:*:*:*:*:* Versions 2.6.11.8 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11.9:*:*:*:*:*:*:* Versions 2.6.11.9 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11.10:*:*:*:*:*:*:* Versions 2.6.11.10 Vulnerable ·Linux
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:2.6.11.11:*:*:*:*:*:*:*2.6.11.11VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:2.6.11.11:*:*:*:*:*:*:* Versions 2.6.11.11 Vulnerable ·Linux

Remediation

Red Hat 1 advisory

  • RHSA-2006:0493 Released 2006-05-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AS version 4 kernel-2.6.9-34.0.1.EL, kernel-2.6.9-34.0.1.EL.ia64, kernel-2.6.9-34.0.1.EL.ppc64iseries +12
    • Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-34.0.1.EL, kernel-devel-2.6.9-34.0.1.EL, kernel-doc-2.6.9-34.0.1.EL +6
    • Red Hat Enterprise Linux ES version 4 kernel-2.6.9-34.0.1.EL, kernel-2.6.9-34.0.1.EL.ia64, kernel-devel-2.6.9-34.0.1.EL +10
    • Red Hat Enterprise Linux WS version 4 kernel-2.6.9-34.0.1.EL, kernel-2.6.9-34.0.1.EL.ia64, kernel-devel-2.6.9-34.0.1.EL +10

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux AS version 4Fixed RHSA-2006:0493
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2006:0493
Red Hat Enterprise Linux ES version 4Fixed RHSA-2006:0493
Red Hat Enterprise Linux WS version 4Fixed RHSA-2006:0493

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-1855
  2. 2026-10-03 Alias added: GHSA-pfjh-pm9f-fp65

References

Advisory 4

Other 3

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences