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TI-2009-03384 Aliases CVE-2009-3547GHSA-qf89-p9hj-7h7g

Multiple race conditions in fs/pipe.c in the Linux kernel before 2.6.32-rc6 allow local…

Priority LOW 39CWE-362Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

Multiple race conditions in fs/pipe.c in the Linux kernel before 2.6.32-rc6 allow local users to cause a denial of service (NULL pointer dereference and system crash) or gain privileges by attempting to open an anonymous pipe via a /proc/*/fd/ pathname.

Why it matters now

EPSS 0.0489 92nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 7 advisories

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 · 32

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 2.6.31.14VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.32:-:*:*:*:*:*:*2.6.32VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.32:rc1:*:*:*:*:*:*2.6.32 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.32:rc2:*:*:*:*:*:*2.6.32 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.32:rc3:*:*:*:*:*:*2.6.32 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.32:rc4:*:*:*:*:*:*2.6.32 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.32:rc5:*:*:*:*:*:*2.6.32 rc5VulnerableLinux
cpe:2.3:o:novell:linux_desktop:9:*:*:*:*:*:*:*9VulnerableNovell
cpe:2.3:o:opensuse:opensuse:11.0:*:*:*:*:*:*:*11.0VulnerableopenSUSE
cpe:2.3:o:opensuse:opensuse:11.2:*:*:*:*:*:*:*11.2VulnerableopenSUSE
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 2.6.31.14 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.32:-:*:*:*:*:*:* Versions 2.6.32 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.32:rc1:*:*:*:*:*:* Versions 2.6.32 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.32:rc2:*:*:*:*:*:* Versions 2.6.32 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.32:rc3:*:*:*:*:*:* Versions 2.6.32 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.32:rc4:*:*:*:*:*:* Versions 2.6.32 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.32:rc5:*:*:*:*:*:* Versions 2.6.32 rc5 Vulnerable ·Linux
  • cpe:2.3:o:novell:linux_desktop:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·Novell
  • cpe:2.3:o:opensuse:opensuse:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:opensuse:11.2:*:*:*:*:*:*:* Versions 11.2 Vulnerable ·openSUSE
Show 22 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:suse:suse_linux_enterprise_desktop:10:sp2:*:*:*:*:*:*10 sp2VulnerableSUSE
cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp2:*:*:*:*:*:*10 sp2VulnerableSUSE
cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*6.06VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:*:*:*:*8.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*8.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*9.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*9.10VulnerableCanonical
cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:*10VulnerableFedoraproject
cpe:2.3:a:vmware:vma:4.0:*:*:*:*:*:*:*4.0VulnerableVMware
cpe:2.3:o:vmware:esx:4.0:*:*:*:*:*:*:*4.0VulnerableVMware
cpe:2.3:a:redhat:mrg_realtime:1.0:*:*:*:*:*:*:*1.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:3.0:*:*:*:*:*:*:*3.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:4.8:*:*:*:*:*:*:*4.8VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:5.4:*:*:*:*:*:*:*5.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:3.0:*:*:*:*:*:*:*3.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:3.0:*:*:*:*:*:*:*3.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
  • cpe:2.3:o:suse:suse_linux_enterprise_desktop:10:sp2:*:*:*:*:*:* Versions 10 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp2:*:*:*:*:*:* Versions 10 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* Versions 6.06 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:*:*:*:* Versions 8.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* Versions 8.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* Versions 9.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:* Versions 9.10 Vulnerable ·Canonical
  • cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·Fedoraproject
  • cpe:2.3:a:vmware:vma:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·VMware
  • cpe:2.3:o:vmware:esx:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·VMware
  • cpe:2.3:a:redhat:mrg_realtime:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:4.8:*:*:*:*:*:*:* Versions 4.8 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:5.4:*:*:*:*:*:*:* Versions 5.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat

Remediation

Red Hat 7 advisories

  • RHSA-2009:1672 Released 2009-12-15 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux EUS (v. 5.2 server) kernel-2.6.18-92.1.32.el5, kernel-2.6.18-92.1.32.el5.ia64, kernel-PAE-2.6.18-92.1.32.el5 +18
  • RHSA-2009:1588 Released 2009-11-17 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AS EUS (v. 4.7) kernel-2.6.9-78.0.28.EL, kernel-2.6.9-78.0.28.EL.ia64, kernel-2.6.9-78.0.28.EL.ppc64iseries +14
    • Red Hat Enterprise Linux ES EUS (v. 4.7) kernel-2.6.9-78.0.28.EL, kernel-2.6.9-78.0.28.EL.ia64, kernel-devel-2.6.9-78.0.28.EL +12
  • RHSA-2009:1587 Released 2009-11-17 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux EUS (v. 5.3 server) kernel-2.6.18-128.11.1.el5, kernel-2.6.18-128.11.1.el5.ia64, kernel-PAE-2.6.18-128.11.1.el5 +18
Show 4 more Red Hat advisories
  • RHSA-2009:1550 Released 2009-11-03 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Desktop version 3 kernel-2.4.21-63.EL, kernel-2.4.21-63.EL.athlon, kernel-2.4.21-63.EL.ia32e +14
    • Red Hat Enterprise Linux AS version 3 kernel-2.4.21-63.EL, kernel-2.4.21-63.EL.athlon, kernel-2.4.21-63.EL.ia32e +22
    • Red Hat Enterprise Linux ES version 3 kernel-2.4.21-63.EL, kernel-2.4.21-63.EL.athlon, kernel-2.4.21-63.EL.ia32e +18
    • Red Hat Enterprise Linux WS version 3 kernel-2.4.21-63.EL, kernel-2.4.21-63.EL.athlon, kernel-2.4.21-63.EL.ia32e +18
  • RHSA-2009:1548 Released 2009-11-03 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-164.6.1.el5, kernel-2.6.18-164.6.1.el5.ia64, kernel-PAE-2.6.18-164.6.1.el5 +18
    • Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-164.6.1.el5, kernel-PAE-2.6.18-164.6.1.el5, kernel-PAE-devel-2.6.18-164.6.1.el5 +8
  • RHSA-2009:1541 Released 2009-11-03 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AS version 4 kernel-2.6.9-89.0.16.EL, kernel-2.6.9-89.0.16.EL.ia64, kernel-2.6.9-89.0.16.EL.ppc64iseries +14
    • Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-89.0.16.EL, kernel-devel-2.6.9-89.0.16.EL, kernel-doc-2.6.9-89.0.16.EL +8
    • Red Hat Enterprise Linux ES version 4 kernel-2.6.9-89.0.16.EL, kernel-2.6.9-89.0.16.EL.ia64, kernel-devel-2.6.9-89.0.16.EL +12
    • Red Hat Enterprise Linux WS version 4 kernel-2.6.9-89.0.16.EL, kernel-2.6.9-89.0.16.EL.ia64, kernel-devel-2.6.9-89.0.16.EL +12
  • RHSA-2009:1540 Released 2009-11-03 · Red Hat rating Important
    kernel-rt security, bug fix, and enhancement update
    • MRG Realtime for RHEL 5 Server kernel-rt-2.6.24.7-137.el5rt, kernel-rt-debug-2.6.24.7-137.el5rt, kernel-rt-debug-devel-2.6.24.7-137.el5rt +6

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
MRG Realtime for RHEL 5 ServerFixed RHSA-2009:1540
Red Hat Desktop version 3Fixed RHSA-2009:1550
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2009:1548
Red Hat Enterprise Linux AS EUS (v. 4.7)Fixed RHSA-2009:1588
Red Hat Enterprise Linux AS version 3Fixed RHSA-2009:1550
Red Hat Enterprise Linux AS version 4Fixed RHSA-2009:1541
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2009:1548
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2009:1541
Red Hat Enterprise Linux ES EUS (v. 4.7)Fixed RHSA-2009:1588
Red Hat Enterprise Linux ES version 3Fixed RHSA-2009:1550
Red Hat Enterprise Linux ES version 4Fixed RHSA-2009:1541
Red Hat Enterprise Linux EUS (v. 5.2 server)Fixed RHSA-2009:1672
Red Hat Enterprise Linux EUS (v. 5.3 server)Fixed RHSA-2009:1587
Red Hat Enterprise Linux WS version 3Fixed RHSA-2009:1550
Red Hat Enterprise Linux WS version 4Fixed RHSA-2009:1541

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-3547
  2. 2026-10-03 Alias added: GHSA-qf89-p9hj-7h7g

References

Exploit 1

Patch 2

Advisory 17

Other 3

Sources

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