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CVE-2009-3621 Detail

Description

net/unix/af_unix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service (system hang) by creating an abstract-namespace AF_UNIX listening socket, performing a shutdown operation on this socket, and then performing a series of connect operations to this socket.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Vendor Statements (disclaimer)

Official Statement from Red Hat (12/17/2009)

Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2009-3621 This issue has been rated as having moderate security impact. It was addressed in Red Hat Enterprise Linux 4, 5 and Red Hat Enterprise MRG via: https://rhn.redhat.com/errata/RHSA-2009-1671.html , https://rhn.redhat.com/errata/RHSA-2009-1670.html and https://rhn.redhat.com/errata/RHSA-2009-1540.html respectively. This issue is not planned to be fixed in Red Hat Enterprise Linux 3, due to this product being in Production 3 of its maintenance life-cycle, where only qualified security errata of important or critical impact are addressed. For further information about Errata Support Policy, visit: http://www.redhat.com/security/updates/errata/

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=77238f2b942b38ab4e7f3aced44084493e4a8675
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html Mailing List  Third Party Advisory 
http://lists.vmware.com/pipermail/security-announce/2010/000082.html Mailing List  Third Party Advisory 
http://lkml.org/lkml/2009/10/19/50 Mailing List  Third Party Advisory 
http://patchwork.kernel.org/patch/54678/ Exploit  Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2009/10/19/2 Exploit  Mailing List  Patch  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2009/10/19/4 Exploit  Mailing List  Patch  Third Party Advisory 
http://www.ubuntu.com/usn/usn-864-1 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=529626 Exploit  Issue Tracking  Third Party Advisory 
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6895 Third Party Advisory 
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9921 Third Party Advisory 
https://rhn.redhat.com/errata/RHSA-2009-1540.html Third Party Advisory 
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html Mailing List  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-400 Uncontrolled Resource Consumption cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-3621
NVD Published Date:
10/22/2009
NVD Last Modified:
02/12/2023
Source:
Red Hat, Inc.