CVE-2009-3621 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

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://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

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-3621
NVD Published Date:
10/22/2009
NVD Last Modified:
08/12/2020
Source:
Red Hat, Inc.