What is CVE-2009-3547?

CVE-2009-3547 is a high-severity vulnerability in Linux Linux_kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2009-11-04.

How severe is CVE-2009-3547?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2009-3547 known to be exploited?

47 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Linux Linux_kernel

CVE-2009-3547

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/*…

Vulnerability class: Race Condition

EPSS: 0.049 (91.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux Linux_kernel — versions 2.6.32
Novell Linux_desktop — versions 9
Vmware Esx — versions 4.0
Vmware Vma — versions 4.0
Canonical Ubuntu_linux — versions 6.06, 8.04, 8.10
Fedoraproject Fedora — versions 10
Opensuse — versions 11.0, 11.2
Redhat Enterprise_linux_desktop — versions 3.0, 4.0, 5.0
Redhat Enterprise_linux_eus — versions 4.8, 5.4
Redhat Enterprise_linux_server — versions 3.0, 4.0, 5.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

secalert@redhat.com (Broken Link, signature, x_refsource_OVAL, Third Party Advisory, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Broken Link)
secalert@redhat.com (mailing-list, x_refsource_BUGTRAQ, VDB Entry, Third Party Advisory, Broken Link)
secalert@redhat.com (Exploit, VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
secalert@redhat.com (x_refsource_CONFIRM, Broken Link)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_SECUNIA, Broken Link, third-party-advisory)
secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
secalert@redhat.com (mailing-list, x_refsource_MLIST, Patch, Mailing List)

Frequently asked questions

What is CVE-2009-3547?: CVE-2009-3547 is a high-severity vulnerability in Linux Linux_kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2009-11-04.
How severe is CVE-2009-3547?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2009-3547 known to be exploited?: 47 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.