What is CVE-2009-3547?

CVE-2009-3547 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10, classified as a Race Condition flaw (CWE-362). CVE-2009-3547 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2009-3547?

CVE-2009-3547 has a CVSS score of 7.0 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2009-3547?

No patch is currently available for CVE-2009-3547. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2009-3547 actively exploited?

CVE-2009-3547 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2009-3547

High

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.

Package Linux Kernel

Published 2009-11-04

Last modified 2026-04-23

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.0

out of 10

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-362

CVE-2009-3547 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2009-3547 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html

Broken Link Mailing List Third Party Advisory
Lists
http://lists.vmware.com/pipermail/security-announce/2010/000082.html

Mailing List Third Party Advisory
Lkml
http://lkml.org/lkml/2009/10/14/184

Exploit Mailing List
Marc
http://marc.info/?l=oss-security&m=125724568017045&w=2

Mailing List Third Party Advisory
Secunia
http://secunia.com/advisories/37351

Broken Link
Secunia
http://secunia.com/advisories/38017

Broken Link
Secunia
http://secunia.com/advisories/38794

Broken Link
Secunia
http://secunia.com/advisories/38834

Broken Link
Kernel.org
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc6

Broken Link
Mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2009:329

Broken Link
Red Hat
http://www.redhat.com/support/errata/RHSA-2009-1672.html

Broken Link
Securityfocus
http://www.securityfocus.com/archive/1/512019/100/0/threaded

Broken Link Third Party Advisory VDB Entry
Securityfocus
http://www.securityfocus.com/bid/36901

Broken Link Exploit Third Party Advisory VDB Entry
Ubuntu Security
http://www.ubuntu.com/usn/usn-864-1

Third Party Advisory
Vupen
http://www.vupen.com/english/advisories/2010/0528

Broken Link
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11513

Broken Link Third Party Advisory
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7608

Broken Link Third Party Advisory
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9327

Broken Link Third Party Advisory
Red Hat
https://rhn.redhat.com/errata/RHSA-2009-1540.html

Third Party Advisory
Red Hat
https://rhn.redhat.com/errata/RHSA-2009-1541.html

Third Party Advisory
Red Hat
https://rhn.redhat.com/errata/RHSA-2009-1548.html

Third Party Advisory
Red Hat
https://rhn.redhat.com/errata/RHSA-2009-1550.html

Third Party Advisory
Red Hat
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html

Mailing List
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ad3960243e55320d74195fb85c975e0a8cc4466c
Patch
Kernel patch commit
http://lkml.org/lkml/2009/10/21/42
Patch
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=530490
Patch

Details

CVE ID CVE-2009-3547

Severity High

CVSS score 7.0 / 10

CVSS version 3.1

Published 2009-11-04

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2009-3547?

CVE-2009-3547 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2009-3547 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2009-3547?

CVE-2009-3547 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2009-3547?

No patch is currently available for CVE-2009-3547. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2009-3547 actively exploited?

No — CVE-2009-3547 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →