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.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:9.04:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:8.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:9.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:8.04:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:6.06:::::::*

Configuration 3 (hide)

cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:*

Configuration 4 (hide)

OR	cpe:2.3:o:opensuse:opensuse:11.0:::::::*
	cpe:2.3:o:opensuse:opensuse:11.2:::::::*
	cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp3::::::
	cpe:2.3:o:suse:suse_linux_enterprise_desktop:10:sp3::::::
	cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp2::::::
	cpe:2.3:o:suse:suse_linux_enterprise_desktop:10:sp2::::::

Configuration 5 (hide)

OR	cpe:2.3:o:vmware:esx:4.0:::::::*
	cpe:2.3:a:vmware:vma:4.0:::::::*

Information

Published : 2009-10-22 09:00

Updated : 2023-02-12 18:20

NVD link : CVE-2009-3621

Mitre link : CVE-2009-3621

JSON object : View

CWE

CWE-400

Uncontrolled Resource Consumption

Products Affected

vmware

suse

suse_linux_enterprise_desktop
suse_linux_enterprise_server

fedoraproject

fedora

canonical

ubuntu_linux

linux

linux_kernel

opensuse

opensuse

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"http://www.openwall.com/lists/oss-security/2009/10/19/4", "name": "[oss-security] 20091019 Re: CVE request: kernel: AF_UNIX: Fix deadlock on connecting to shutdown socket", "tags": ["Exploit", "Mailing List", "Patch", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://secunia.com/advisories/37086", "name": "37086", "tags": ["Broken Link"], "refsource": "SECUNIA"}, {"url": "https://rhn.redhat.com/errata/RHSA-2009-1540.html", "name": "RHSA-2009:1540", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00190.html", "name": "FEDORA-2009-11038", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html", "name": "SUSE-SA:2009:061", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://www.redhat.com/support/errata/RHSA-2009-1671.html", "name": "RHSA-2009:1671", "tags": ["Broken Link"], "refsource": "REDHAT"}, {"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:329", "name": "MDVSA-2009:329", "tags": ["Broken Link"], "refsource": "MANDRIVA"}, {"url": "http://www.redhat.com/support/errata/RHSA-2009-1670.html", "name": "RHSA-2009:1670", "tags": ["Broken Link"], "refsource": "REDHAT"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html", "name": "SUSE-SA:2009:064", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://secunia.com/advisories/37909", "name": "37909", "tags": ["Broken Link"], "refsource": "SECUNIA"}, {"url": "http://secunia.com/advisories/38017", "name": "38017", "tags": ["Broken Link"], "refsource": "SECUNIA"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html", "name": "SUSE-SA:2010:001", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html", "name": "SUSE-SA:2010:013", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html", "name": "SUSE-SA:2010:012", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://www.ubuntu.com/usn/usn-864-1", "name": "USN-864-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://secunia.com/advisories/38834", "name": "38834", "tags": ["Broken Link"], "refsource": "SECUNIA"}, {"url": "http://secunia.com/advisories/38794", "name": "38794", "tags": ["Broken Link"], "refsource": "SECUNIA"}, {"url": "http://www.vupen.com/english/advisories/2010/0528", "name": "ADV-2010-0528", "tags": ["Broken Link"], "refsource": "VUPEN"}, {"url": "http://lists.vmware.com/pipermail/security-announce/2010/000082.html", "name": "[security-announce] 20100303 VMSA-2010-0004 ESX Service Console and vMA third party updates", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9921", "name": "oval:org.mitre.oval:def:9921", "tags": ["Third Party Advisory"], "refsource": "OVAL"}, {"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6895", "name": "oval:org.mitre.oval:def:6895", "tags": ["Third Party Advisory"], "refsource": "OVAL"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=77238f2b942b38ab4e7f3aced44084493e4a8675", "name": "http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=77238f2b942b38ab4e7f3aced44084493e4a8675", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-400"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2009-3621", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}}, "publishedDate": "2009-10-22T16:00Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "2.6.31.4"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:opensuse:opensuse:11.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:opensuse:opensuse:11.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:suse_linux_enterprise_desktop:10:sp3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:suse:suse_linux_enterprise_desktop:10:sp2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:vmware:esx:4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:vmware:vma:4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-02-13T02:20Z"}

5.5 /10

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9 /10

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

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4.9^/10

Attach tags to `CVE-2009-3621`