CVE-2009-3621 Information
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.
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Reference
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/oval3Aorg.mitre.oval3Adef3A6895 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A9921 https://rhn.redhat.com/errata/RHSA-2009-1540.html https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html
Attack Complexity
LOW
Privileges Required
LOW
User Interaction Required
LOW
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
NONE
Availability Impact
NONE
Base Score
HIGH
Base Severity
5.5
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