CVE-2009-3621

MEDIUM

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.

References

http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commit;h=77238f2b942b38ab4e7f3aced44084493e4a8675

http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html

http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html

http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html

http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html

http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html

http://lists.vmware.com/pipermail/security-announce/2010/000082.html

http://lkml.org/lkml/2009/10/19/50

http://patchwork.kernel.org/patch/54678/

http://secunia.com/advisories/37086

http://secunia.com/advisories/37909

http://secunia.com/advisories/38017

http://secunia.com/advisories/38794

http://secunia.com/advisories/38834

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

http://www.openwall.com/lists/oss-security/2009/10/19/2

http://www.openwall.com/lists/oss-security/2009/10/19/4

http://www.redhat.com/support/errata/RHSA-2009-1670.html

http://www.redhat.com/support/errata/RHSA-2009-1671.html

http://www.ubuntu.com/usn/usn-864-1

http://www.vupen.com/english/advisories/2010/0528

https://bugzilla.redhat.com/show_bug.cgi?id=529626

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6895

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9921

https://rhn.redhat.com/errata/RHSA-2009-1540.html

https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html

Details

Source: MITRE

Published: 2009-10-22

Updated: 2017-09-19

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C)

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM