NVD Vulnerability Detail

CVE-2016-2117

Summary	The atl2_probe function in drivers/net/ethernet/atheros/atlx/atl2.c in the Linux kernel through 4.5.2 incorrectly enables scatter/gather I/O, which allows remote attackers to obtain sensitive information from kernel memory by reading packet data.
Publication Date	May 2, 2016, 7:59 p.m.
Registration Date	Jan. 26, 2021, 2:08 p.m.
Last Update	Nov. 21, 2024, 11:47 a.m.

CVSS3.0 : HIGH
スコア	7.5
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃に必要な特権レベル(PR)	不要
利用者の関与(UI)	不要
影響の想定範囲(S)	変更なし
機密性への影響(C)	高
完全性への影響(I)	なし
可用性への影響(A)	なし

CVSS2.0 : MEDIUM
Score	5.0
Vector	AV:N/AC:L/Au:N/C:P/I:N/A:N
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃前の認証要否(Au)	不要
機密性への影響(C)	低
完全性への影響(I)	なし
可用性への影響(A)	なし
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:oracle:vm_server:3.4:::::::*
cpe:2.3:o:oracle:vm_server:3.3:::::::*

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:15.10:::::::*
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:linux:linux_kernel::::::::			4.5.2

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f43bfaeddc79effbf3d0fcb53ca477cca66f3db8	Vendor Advisory
2	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f43bfaeddc79effbf3d0fcb53ca477cca66f3db8	Vendor Advisory
3	http://rhn.redhat.com/errata/RHSA-2016-2574.html
4	http://rhn.redhat.com/errata/RHSA-2016-2574.html
5	http://rhn.redhat.com/errata/RHSA-2016-2584.html
6	http://rhn.redhat.com/errata/RHSA-2016-2584.html
7	http://www.debian.org/security/2016/dsa-3607
8	http://www.debian.org/security/2016/dsa-3607
9	http://www.openwall.com/lists/oss-security/2016/03/16/7
10	http://www.openwall.com/lists/oss-security/2016/03/16/7
11	http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
12	http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
13	http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
14	http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
15	http://www.securityfocus.com/bid/84500
16	http://www.securityfocus.com/bid/84500
17	http://www.ubuntu.com/usn/USN-2989-1	Third Party Advisory
18	http://www.ubuntu.com/usn/USN-2989-1	Third Party Advisory
19	http://www.ubuntu.com/usn/USN-2998-1	Third Party Advisory
20	http://www.ubuntu.com/usn/USN-2998-1	Third Party Advisory
21	http://www.ubuntu.com/usn/USN-3000-1	Third Party Advisory
22	http://www.ubuntu.com/usn/USN-3000-1	Third Party Advisory
23	http://www.ubuntu.com/usn/USN-3001-1	Third Party Advisory
24	http://www.ubuntu.com/usn/USN-3001-1	Third Party Advisory
25	http://www.ubuntu.com/usn/USN-3002-1	Third Party Advisory
26	http://www.ubuntu.com/usn/USN-3002-1	Third Party Advisory
27	http://www.ubuntu.com/usn/USN-3003-1
28	http://www.ubuntu.com/usn/USN-3003-1
29	http://www.ubuntu.com/usn/USN-3004-1	Third Party Advisory
30	http://www.ubuntu.com/usn/USN-3004-1	Third Party Advisory
31	http://www.ubuntu.com/usn/USN-3005-1	Third Party Advisory
32	http://www.ubuntu.com/usn/USN-3005-1	Third Party Advisory
33	http://www.ubuntu.com/usn/USN-3006-1	Third Party Advisory
34	http://www.ubuntu.com/usn/USN-3006-1	Third Party Advisory
35	http://www.ubuntu.com/usn/USN-3007-1	Third Party Advisory
36	http://www.ubuntu.com/usn/USN-3007-1	Third Party Advisory
37	https://bugzilla.redhat.com/show_bug.cgi?id=1312298	Issue Tracking
38	https://bugzilla.redhat.com/show_bug.cgi?id=1312298	Issue Tracking
39	https://github.com/torvalds/linux/commit/f43bfaeddc79effbf3d0fcb53ca477cca66f3db8	Vendor Advisory
40	https://github.com/torvalds/linux/commit/f43bfaeddc79effbf3d0fcb53ca477cca66f3db8	Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-200	情報漏えい	https://cwe.mitre.org/data/definitions/200.html

JVN Vulnerability Information

Linux Kernel の drivers/net/ethernet/atheros/atlx/atl2.c の atl2_probe 関数におけるカーネルメモリから重要な情報を取得される脆弱性

Title	Linux Kernel の drivers/net/ethernet/atheros/atlx/atl2.c の atl2_probe 関数におけるカーネルメモリから重要な情報を取得される脆弱性
Summary	Linux Kernel の drivers/net/ethernet/atheros/atlx/atl2.c の atl2_probe 関数は、scatter/gather I/O を不正に有効にするため、カーネルメモリから重要な情報を取得される脆弱性が存在します。
Possible impacts	第三者により、パケットデータを読まれることで、カーネルメモリから重要な情報を取得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	April 21, 2016, midnight
Registration Date	May 10, 2016, 10:07 a.m.
Last Update	Nov. 17, 2016, 4:16 p.m.

Affected System

オラクル

Oracle VM サーバー

Canonical

Ubuntu

Linux

Linux Kernel 4.5.2 まで

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-2016-2117	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2117
National Vulnerability Database (NVD)
2	CVE-2016-2117	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-2117

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-200	https://jvndb.jvn.jp/ja/cwe/CWE-200.html

ベンダー情報

No	Name	URL
GitHub
1	atl2: Disable unimplemented scatter/gather feature	https://github.com/torvalds/linux/commit/f43bfaeddc79effbf3d0fcb53ca477cca66f3db8
Linux Kernel
2	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
3	atl2: Disable unimplemented scatter/gather feature	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f43bfaeddc79effbf3d0fcb53ca477cca66f3db8
Oracle Technology Network
4	Oracle Linux Bulletin - July 2016	http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
5	Oracle VM Server for x86 Bulletin - July 2016	http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Red Hat Bugzilla
6	Bug 1312298	https://bugzilla.redhat.com/show_bug.cgi?id=1312298
Ubuntu Security Notice
7	USN-2989-1	http://www.ubuntu.com/usn/USN-2989-1
8	USN-2998-1	http://www.ubuntu.com/usn/USN-2998-1
9	USN-3000-1	http://www.ubuntu.com/usn/USN-3000-1
10	USN-3001-1	http://www.ubuntu.com/usn/USN-3001-1
11	USN-3002-1	http://www.ubuntu.com/usn/USN-3002-1
12	USN-3003-1	http://www.ubuntu.com/usn/USN-3003-1
13	USN-3004-1	http://www.ubuntu.com/usn/USN-3004-1
14	USN-3005-1	http://www.ubuntu.com/usn/USN-3005-1
15	USN-3006-1	http://www.ubuntu.com/usn/USN-3006-1
16	USN-3007-1	http://www.ubuntu.com/usn/USN-3007-1

Change Log

No	Changed Details	Date of change
0	[2016年05月10日] 掲載 [2016年11月17日] 影響を受けるシステム：ベンダ情報の追加に伴い内容を更新ベンダ情報：Canonical (USN-2989-1) を追加ベンダ情報：Canonical (USN-2998-1) を追加ベンダ情報：Canonical (USN-3000-1) を追加ベンダ情報：Canonical (USN-3001-1) を追加ベンダ情報：Canonical (USN-3002-1) を追加ベンダ情報：Canonical (USN-3003-1) を追加ベンダ情報：Canonical (USN-3004-1) を追加ベンダ情報：Canonical (USN-3005-1) を追加ベンダ情報：Canonical (USN-3006-1) を追加ベンダ情報：Canonical (USN-3007-1) を追加ベンダ情報：オラクル (Oracle Linux Bulletin - July 2016) を追加ベンダ情報：オラクル (Oracle VM Server for x86 Bulletin - July 2016) を追加	Feb. 17, 2018, 10:37 a.m.