NVD Vulnerability Detail

CVE-2011-2723

Summary	The skb_gro_header_slow function in include/linux/netdevice.h in the Linux kernel before 2.6.39.4, when Generic Receive Offload (GRO) is enabled, resets certain fields in incorrect situations, which allows remote attackers to cause a denial of service (system crash) via crafted network traffic.
Publication Date	Sept. 7, 2011, 12:55 a.m.
Registration Date	Jan. 28, 2021, 4:39 p.m.
Last Update	Nov. 21, 2024, 10:28 a.m.

CVSS2.0 : MEDIUM
Score	5.7
Vector	AV:A/AC:M/Au:N/C:N/I:N/A:C
攻撃元区分(AV)	隣接
攻撃条件の複雑さ(AC)	中
攻撃前の認証要否(Au)	不要
機密性への影響(C)	なし
完全性への影響(I)	なし
可用性への影響(A)	高
Get all privileges.	いいえ
Get user privileges	いいえ
Get other privileges	いいえ
User operation required	いいえ

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:o:linux:linux_kernel::::::::					2.6.39.4

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=17dd759c67f21e34f2156abcf415e1f60605a188
2	http://marc.info/?l=bugtraq&m=139447903326211&w=2	Third Party Advisory
3	http://openwall.com/lists/oss-security/2011/07/28/13	Mailing List Patch Third Party Advisory
4	http://openwall.com/lists/oss-security/2011/07/29/1	Mailing List Patch Third Party Advisory
5	http://securitytracker.com/id?1025876	Third Party Advisory VDB Entry
6	http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4	Broken Link
7	http://www.redhat.com/support/errata/RHSA-2011-1321.html	Third Party Advisory
8	http://www.securityfocus.com/bid/48929	Third Party Advisory VDB Entry
9	https://bugzilla.redhat.com/show_bug.cgi?id=726552	Issue Tracking Patch Third Party Advisory
10	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=17dd759c67f21e34f2156abcf415e1f60605a188
11	https://bugzilla.redhat.com/show_bug.cgi?id=726552	Issue Tracking Patch Third Party Advisory
12	http://www.securityfocus.com/bid/48929	Third Party Advisory VDB Entry
13	http://www.redhat.com/support/errata/RHSA-2011-1321.html	Third Party Advisory
14	http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4	Broken Link
15	http://securitytracker.com/id?1025876	Third Party Advisory VDB Entry
16	http://openwall.com/lists/oss-security/2011/07/29/1	Mailing List Patch Third Party Advisory
17	http://openwall.com/lists/oss-security/2011/07/28/13	Mailing List Patch Third Party Advisory
18	http://marc.info/?l=bugtraq&m=139447903326211&w=2	Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-20	不適切な入力確認	https://cwe.mitre.org/data/definitions/20.html

JVN Vulnerability Information

Linux kernel の skb_gro_header_slow 関数におけるサービス運用妨害 (DoS) の脆弱性

Title	Linux kernel の skb_gro_header_slow 関数におけるサービス運用妨害 (DoS) の脆弱性
Summary	Linux kernel の include/linux/netdevice.h の skb_gro_header_slow 関数には、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、巧妙に細工されたネットワークトラフィックを介して、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	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	Sept. 6, 2011, midnight
Registration Date	March 27, 2012, 6:43 p.m.
Last Update	March 27, 2012, 6:43 p.m.

Affected System

Linux

Linux Kernel 2.6.39.4 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-2011-2723	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2723
National Vulnerability Database (NVD)
2	CVE-2011-2723	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-2723

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
1	Linux Kernel Archives	http://www.kernel.org/

Change Log

No	Changed Details	Date of change
0	[2012年03月27日] 掲載	Feb. 17, 2018, 10:37 a.m.