Vulnerability Monitor

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CVE-2009-3621

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.

Published

2009-10-22T16:00:00.640

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 2.6.31.4	Yes
Operating System	canonical	ubuntu_linux	6.06	Yes
Operating System	canonical	ubuntu_linux	8.04	Yes
Operating System	canonical	ubuntu_linux	8.10	Yes
Operating System	canonical	ubuntu_linux	9.04	Yes
Operating System	canonical	ubuntu_linux	9.10	Yes
Operating System	fedoraproject	fedora	10	Yes
Operating System	opensuse	opensuse	11.0	Yes
Operating System	opensuse	opensuse	11.2	Yes
Operating System	suse	suse_linux_enterprise_desktop	10	Yes
Operating System	suse	suse_linux_enterprise_desktop	10	Yes
Operating System	suse	suse_linux_enterprise_server	10	Yes
Operating System	suse	suse_linux_enterprise_server	10	Yes
Application	vmware	vma	4.0	Yes
Operating System	vmware	esx	4.0	Yes

References

http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=77238f2b942b38ab4e7f3aced44084493e4a8675 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html Mailing List, Third Party Advisory ([email protected])
http://lists.vmware.com/pipermail/security-announce/2010/000082.html Mailing List, Third Party Advisory ([email protected])
http://lkml.org/lkml/2009/10/19/50 Mailing List, Third Party Advisory ([email protected])
http://patchwork.kernel.org/patch/54678/ Exploit, Mailing List, Third Party Advisory ([email protected])
http://secunia.com/advisories/37086 Broken Link ([email protected])
http://secunia.com/advisories/37909 Broken Link ([email protected])
http://secunia.com/advisories/38017 Broken Link ([email protected])
http://secunia.com/advisories/38794 Broken Link ([email protected])
http://secunia.com/advisories/38834 Broken Link ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2009:329 Broken Link ([email protected])
http://www.openwall.com/lists/oss-security/2009/10/19/2 Exploit, Mailing List, Patch, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2009/10/19/4 Exploit, Mailing List, Patch, Third Party Advisory ([email protected])
http://www.redhat.com/support/errata/RHSA-2009-1670.html Broken Link ([email protected])
http://www.redhat.com/support/errata/RHSA-2009-1671.html Broken Link ([email protected])
http://www.ubuntu.com/usn/usn-864-1 Third Party Advisory ([email protected])
http://www.vupen.com/english/advisories/2010/0528 Broken Link ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=529626 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6895 Third Party Advisory ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9921 Third Party Advisory ([email protected])
https://rhn.redhat.com/errata/RHSA-2009-1540.html Third Party Advisory ([email protected])
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html Mailing List, Third Party Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=77238f2b942b38ab4e7f3aced44084493e4a8675 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.vmware.com/pipermail/security-announce/2010/000082.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lkml.org/lkml/2009/10/19/50 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://patchwork.kernel.org/patch/54678/ Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37086 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37909 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/38017 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/38794 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/38834 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2009:329 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/10/19/2 Exploit, Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/10/19/4 Exploit, Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2009-1670.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2009-1671.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/usn-864-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2010/0528 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=529626 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6895 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9921 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://rhn.redhat.com/errata/RHSA-2009-1540.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)