NVD

CVE-2011-4326 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

The udp6_ufo_fragment function in net/ipv6/udp.c in the Linux kernel before 2.6.39, when a certain UDP Fragmentation Offload (UFO) configuration is enabled, allows remote attackers to cause a denial of service (system crash) by sending fragmented IPv6 UDP packets to a bridge device.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 7.1 HIGH

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

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://downloads.avaya.com/css/P8/documents/100156038	Third Party Advisory
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39	Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9cf73ea7ff78f52662c8658d93c226effbbedde
http://www.openwall.com/lists/oss-security/2011/11/21/10	Mailing List
http://www.securityfocus.com/bid/50751	Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=682066	Exploit Issue Tracking Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=755584	Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbedde	Patch Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-399	Resource Management Errors	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

CVE Modified by Red Hat, Inc. 2/02/2023 1:15:31 PM

Action	Type	Old Value	New Value
Added	CVSS V2		Red Hat, Inc. (AV:N/AC:M/Au:N/C:N/I:N/A:C)
Changed	Description	The udp6_ufo_fragment function in net/ipv6/udp.c in the Linux kernel before 2.6.39, when a certain UDP Fragmentation Offload (UFO) configuration is enabled, allows remote attackers to cause a denial of service (system crash) by sending fragmented IPv6 UDP packets to a bridge device.	CVE-2011-4326 kernel: wrong headroom check in udp6_ufo_fragment()
Added	Reference		http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9cf73ea7ff78f52662c8658d93c226effbbedde [No Types Assigned]
Added	Reference		https://access.redhat.com/errata/RHSA-2011:1465 [No Types Assigned]
Added	Reference		https://access.redhat.com/errata/RHSA-2012:0010 [No Types Assigned]
Added	Reference		https://access.redhat.com/security/cve/CVE-2011-4326 [No Types Assigned]
Removed	Reference	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a9cf73ea7ff78f52662c8658d93c226effbbedde [Patch, Vendor Advisory]

Modified Analysis by NIST 7/28/2020 8:59:56 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR cpe:2.3:o:avaya:96x1_ip_deskphone_firmware::::::::* versions from (including) 6.0.0 up to (including) 6.6.0 OR cpe:2.3:h:avaya:96x1_ip_deskphone:-:::::::*
Removed	CPE Configuration	Record truncated, showing 500 of 48236 characters. View Entire Change Record OR cpe:2.3:o:linux:linux_kernel:1.2.0::::::: cpe:2.3:o:linux:linux_kernel:1.3.0::::::: cpe:2.3:o:linux:linux_kernel:2.0.1::::::: cpe:2.3:o:linux:linux_kernel:2.0.2::::::: cpe:2.3:o:linux:linux_kernel:2.0.3::::::: cpe:2.3:o:linux:linux_kernel:2.0.4::::::: cpe:2.3:o:linux:linux_kernel:2.0.5::::::: cpe:2.3:o:linux:linux_kernel:2.0.6::::::: cpe:2.3:o:linux:linux_kernel:2.0.7:::::::
Changed	Reference Type	http://downloads.avaya.com/css/P8/documents/100156038 No Types Assigned	http://downloads.avaya.com/css/P8/documents/100156038 Third Party Advisory
Changed	Reference Type	http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 No Types Assigned	http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 Broken Link
Changed	Reference Type	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a9cf73ea7ff78f52662c8658d93c226effbbedde No Types Assigned	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a9cf73ea7ff78f52662c8658d93c226effbbedde Patch, Vendor Advisory
Changed	Reference Type	http://www.openwall.com/lists/oss-security/2011/11/21/10 No Types Assigned	http://www.openwall.com/lists/oss-security/2011/11/21/10 Mailing List
Changed	Reference Type	http://www.securityfocus.com/bid/50751 No Types Assigned	http://www.securityfocus.com/bid/50751 Third Party Advisory, VDB Entry
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=682066 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=682066 Exploit, Issue Tracking, Third Party Advisory
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=755584 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=755584 Issue Tracking, Third Party Advisory
Changed	Reference Type	https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbedde No Types Assigned	https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbedde Patch, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2011-4326
NVD Published Date:
05/17/2012
NVD Last Modified:
02/12/2023
Source:
Red Hat, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2011-4326 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by Red Hat, Inc. 5/13/2024 10:35:35 PM

CVE Modified by Red Hat, Inc. 2/12/2023 8:21:45 PM

CVE Modified by Red Hat, Inc. 2/02/2023 1:15:31 PM

Modified Analysis by NIST 7/28/2020 8:59:56 AM

CVE Modified by Red Hat, Inc. 5/05/2015 9:59:22 PM

Initial CVE Analysis 5/17/2012 10:20:00 AM

Quick Info