NVD Vulnerability Detail

CVE-2011-4326

Summary	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.
Publication Date	May 17, 2012, 8 p.m.
Registration Date	Jan. 28, 2021, 4:39 p.m.
Last Update	Nov. 21, 2024, 10:32 a.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:o:linux:linux_kernel::::::::					2.6.39

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:avaya:96x1_ip_deskphone_firmware::::::::		6.0.0	6.6.0
execution environment
1	cpe:2.3:h:avaya:96x1_ip_deskphone:-:::::::*

Related information, measures and tools

No	URL	タグ
1	http://downloads.avaya.com/css/P8/documents/100156038	Third Party Advisory
2	http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39	Broken Link
3	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9cf73ea7ff78f52662c8658d93c226effbbedde
4	http://www.openwall.com/lists/oss-security/2011/11/21/10	Mailing List
5	http://www.securityfocus.com/bid/50751	Third Party Advisory VDB Entry
6	https://bugzilla.redhat.com/show_bug.cgi?id=682066	Exploit Issue Tracking Third Party Advisory
7	https://bugzilla.redhat.com/show_bug.cgi?id=755584	Issue Tracking Third Party Advisory
8	https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbedde	Patch Third Party Advisory
9	http://downloads.avaya.com/css/P8/documents/100156038	Third Party Advisory
10	https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbedde	Patch Third Party Advisory
11	https://bugzilla.redhat.com/show_bug.cgi?id=755584	Issue Tracking Third Party Advisory
12	https://bugzilla.redhat.com/show_bug.cgi?id=682066	Exploit Issue Tracking Third Party Advisory
13	http://www.securityfocus.com/bid/50751	Third Party Advisory VDB Entry
14	http://www.openwall.com/lists/oss-security/2011/11/21/10	Mailing List
15	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9cf73ea7ff78f52662c8658d93c226effbbedde
16	http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39	Broken Link

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-399	リソース管理の問題	https://cwe.mitre.org/data/definitions/399.html

JVN Vulnerability Information

Linux Kernel の udp6_ufo_fragment 関数におけるサービス運用妨害 (システムクラッシュ) の脆弱性

Title	Linux Kernel の udp6_ufo_fragment 関数におけるサービス運用妨害 (システムクラッシュ) の脆弱性
Summary	Linux Kernel の net/ipv6/udp.c 内の udp6_ufo_fragment 関数は、特定の UDP Fragmentation Offload (UFO) 設定が有効な際、サービス運用妨害 (システムクラッシュ) 状態となる脆弱性が存在します。
Possible impacts	第三者により、ブリッジデバイスへ断片化された IPv6 UDP パケットを送信されることで、サービス運用妨害 (システムクラッシュ) 状態にされる可能性があります。
Solution	ベンダ情報および参考情報を参照して適切な対策を実施してください。
Publication Date	May 17, 2012, midnight
Registration Date	May 18, 2012, 2:43 p.m.
Last Update	May 18, 2012, 2:43 p.m.

Affected System

Linux

Linux Kernel 2.6.39 未満

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2011-4326	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4326
National Vulnerability Database (NVD)
2	CVE-2011-4326	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-4326

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-399	https://jvndb.jvn.jp/ja/cwe/CWE-399.html

ベンダー情報

No	Name	URL
Linux Kernel
1	Linux Kernel Archives	http://www.kernel.org
Red Hat Security Advisory
2	RHSA-2011:1465	https://rhn.redhat.com/errata/RHSA-2011-1465.html
3	RHSA-2012:0010	https://rhn.redhat.com/errata/RHSA-2012-0010.html

Change Log

No	Changed Details	Date of change
0	[2012年05月18日] 掲載	Feb. 17, 2018, 10:37 a.m.