CVE-2009-3621

Linux Kernel 2.6.31.4 - 'unix_stream_connect()' Local Denial of Service

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

net/unix/af_unix.c en el kernel de Linux v2.6.31.4 y anteriores permite a usuarios locales causar una denegación de servicio (el servidor se bloquea) creando un socket abstract-namespace AF_UNIX y realizando una operación de apagado en ese socket, para luego luego realizar una serie de operaciones de conexión en dicho socket.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-10-09 CVE Reserved
2009-10-22 CVE Published
2009-11-10 First Exploit
2023-03-08 EPSS Updated
2024-08-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (28)

URL	Tag	Source
http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=77238f2b942b38ab4e7f3aced44084493e4a8675	X_refsource_confirm
http://lists.vmware.com/pipermail/security-announce/2010/000082.html	Mailing List
http://lkml.org/lkml/2009/10/19/50	Mailing List
http://secunia.com/advisories/37086	Broken Link
http://secunia.com/advisories/37909	Broken Link
http://secunia.com/advisories/38017	Broken Link
http://secunia.com/advisories/38794	Broken Link
http://secunia.com/advisories/38834	Broken Link
http://www.vupen.com/english/advisories/2010/0528	Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6895	Signature
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9921	Signature

URL	Date	SRC
https://www.exploit-db.com/exploits/10022	2009-11-10
http://patchwork.kernel.org/patch/54678	2024-08-07
http://www.openwall.com/lists/oss-security/2009/10/19/2	2024-08-07
http://www.openwall.com/lists/oss-security/2009/10/19/4	2024-08-07
https://bugzilla.redhat.com/show_bug.cgi?id=529626	2024-08-07

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html	2023-02-13
http://www.mandriva.com/security/advisories?name=MDVSA-2009:329	2023-02-13
http://www.redhat.com/support/errata/RHSA-2009-1670.html	2023-02-13
http://www.redhat.com/support/errata/RHSA-2009-1671.html	2023-02-13
http://www.ubuntu.com/usn/usn-864-1	2023-02-13
https://rhn.redhat.com/errata/RHSA-2009-1540.html	2023-02-13
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html	2023-02-13
https://access.redhat.com/security/cve/CVE-2009-3621	2009-12-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				<= 2.6.31.4 Search vendor "Linux" for product "Linux Kernel" and version " <= 2.6.31.4"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				6.06 Search vendor "Canonical" for product "Ubuntu Linux" and version "6.06"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				8.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "8.04"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				8.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "8.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				9.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "9.04"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				9.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "9.10"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				10 Search vendor "Fedoraproject" for product "Fedora" and version "10"		-		Affected
Opensuse Search vendor "Opensuse"		Opensuse Search vendor "Opensuse" for product "Opensuse"				11.0 Search vendor "Opensuse" for product "Opensuse" and version "11.0"		-		Affected
Opensuse Search vendor "Opensuse"		Opensuse Search vendor "Opensuse" for product "Opensuse"				11.2 Search vendor "Opensuse" for product "Opensuse" and version "11.2"		-		Affected
Suse Search vendor "Suse"		Suse Linux Enterprise Desktop Search vendor "Suse" for product "Suse Linux Enterprise Desktop"				10 Search vendor "Suse" for product "Suse Linux Enterprise Desktop" and version "10"		sp2		Affected
Suse Search vendor "Suse"		Suse Linux Enterprise Desktop Search vendor "Suse" for product "Suse Linux Enterprise Desktop"				10 Search vendor "Suse" for product "Suse Linux Enterprise Desktop" and version "10"		sp3		Affected
Suse Search vendor "Suse"		Suse Linux Enterprise Server Search vendor "Suse" for product "Suse Linux Enterprise Server"				10 Search vendor "Suse" for product "Suse Linux Enterprise Server" and version "10"		sp2		Affected
Suse Search vendor "Suse"		Suse Linux Enterprise Server Search vendor "Suse" for product "Suse Linux Enterprise Server"				10 Search vendor "Suse" for product "Suse Linux Enterprise Server" and version "10"		sp3		Affected
Vmware Search vendor "Vmware"		Vma Search vendor "Vmware" for product "Vma"				4.0 Search vendor "Vmware" for product "Vma" and version "4.0"		-		Affected
Vmware Search vendor "Vmware"		Esx Search vendor "Vmware" for product "Esx"				4.0 Search vendor "Vmware" for product "Esx" and version "4.0"		-		Affected