CVE-2009-3621

MEDIUM
5.5
CVSS Score
Published: October 22, 2009 at 03:26 PM UTC
Updated: June 16, 2026 at 11:12 PM UTC
8 products affected across 6 vendorsLinux KernelFedoraUbuntu Linux

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Severity
MEDIUM5.5
Exploit prediction
EPSS 1.0%

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.

Affected

References (26)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
Mailing Listx_refsource_MLISTThird Party Advisory
http://lkml.org/lkml/2009/10/19/50

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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