NVD脆弱性詳細

CVE-2015-5707

概要	Integer overflow in the sg_start_req function in drivers/scsi/sg.c in the Linux kernel 2.6.x through 4.x before 4.1 allows local users to cause a denial of service or possibly have unspecified other impact via a large iov_count value in a write request.
公表日	2015年10月19日19:59
登録日	2021年1月26日14:53
最終更新日	2024年11月21日11:33

CVSS2.0 : MEDIUM
スコア	4.6
ベクター	AV:L/AC:L/Au:N/C:P/I:P/A:P
攻撃元区分(AV)	ローカル
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)	低
可用性への影響(A)	低
全ての特権を取得	いいえ
ユーザー権限を取得	いいえ
その他の権限を取得	いいえ
ユーザー操作が必要	いいえ

影響を受けるソフトウェアの構成

構成1		以上	以下	より上	未満
cpe:2.3:o:linux:linux_kernel::::::::		2.6.0			4.1.0

構成2	以上	以下	より上	未満
cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:15.04:::::::*

構成3	以上	以下	より上	未満
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*

構成4	以上	以下	より上	未満
cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3::::::
cpe:2.3:o:suse:suse_linux_enterprise_desktop:11:sp3::::::
cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3::::vmware::*
cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:::ltss:::*

関連情報、対策とツール

No	URL	タグ
1	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=451a2886b6bf90e2fb378f7c46c655450fb96e81	Patch Vendor Advisory
2	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=451a2886b6bf90e2fb378f7c46c655450fb96e81	Patch Vendor Advisory
3	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fdc81f45e9f57858da6351836507fbcf1b7583ee	Patch Vendor Advisory
4	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fdc81f45e9f57858da6351836507fbcf1b7583ee	Patch Vendor Advisory
5	http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html	Mailing List Third Party Advisory
6	http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html	Mailing List Third Party Advisory
7	http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html	Mailing List Third Party Advisory
8	http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html	Mailing List Third Party Advisory
9	http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html	Mailing List Third Party Advisory
10	http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html	Mailing List Third Party Advisory
11	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00026.html	Mailing List Third Party Advisory
12	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00026.html	Mailing List Third Party Advisory
13	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00027.html	Mailing List Third Party Advisory
14	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00027.html	Mailing List Third Party Advisory
15	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00028.html	Mailing List Third Party Advisory
16	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00028.html	Mailing List Third Party Advisory
17	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00029.html	Mailing List Third Party Advisory
18	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00029.html	Mailing List Third Party Advisory
19	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00030.html	Mailing List Third Party Advisory
20	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00030.html	Mailing List Third Party Advisory
21	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00031.html	Mailing List Third Party Advisory
22	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00031.html	Mailing List Third Party Advisory
23	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00032.html	Mailing List Third Party Advisory
24	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00032.html	Mailing List Third Party Advisory
25	http://www.debian.org/security/2015/dsa-3329	Third Party Advisory
26	http://www.debian.org/security/2015/dsa-3329	Third Party Advisory
27	http://www.openwall.com/lists/oss-security/2015/08/01/6	Mailing List Third Party Advisory
28	http://www.openwall.com/lists/oss-security/2015/08/01/6	Mailing List Third Party Advisory
29	http://www.securityfocus.com/bid/76145	Third Party Advisory VDB Entry
30	http://www.securityfocus.com/bid/76145	Third Party Advisory VDB Entry
31	http://www.securitytracker.com/id/1033521	Third Party Advisory VDB Entry
32	http://www.securitytracker.com/id/1033521	Third Party Advisory VDB Entry
33	http://www.ubuntu.com/usn/USN-2733-1	Third Party Advisory
34	http://www.ubuntu.com/usn/USN-2733-1	Third Party Advisory
35	http://www.ubuntu.com/usn/USN-2734-1	Third Party Advisory
36	http://www.ubuntu.com/usn/USN-2734-1	Third Party Advisory
37	http://www.ubuntu.com/usn/USN-2737-1	Third Party Advisory
38	http://www.ubuntu.com/usn/USN-2737-1	Third Party Advisory
39	http://www.ubuntu.com/usn/USN-2738-1	Third Party Advisory
40	http://www.ubuntu.com/usn/USN-2738-1	Third Party Advisory
41	http://www.ubuntu.com/usn/USN-2750-1	Third Party Advisory
42	http://www.ubuntu.com/usn/USN-2750-1	Third Party Advisory
43	http://www.ubuntu.com/usn/USN-2759-1	Third Party Advisory
44	http://www.ubuntu.com/usn/USN-2759-1	Third Party Advisory
45	http://www.ubuntu.com/usn/USN-2760-1	Third Party Advisory
46	http://www.ubuntu.com/usn/USN-2760-1	Third Party Advisory
47	https://bugzilla.redhat.com/show_bug.cgi?id=1250030	Issue Tracking Third Party Advisory
48	https://bugzilla.redhat.com/show_bug.cgi?id=1250030	Issue Tracking Third Party Advisory
49	https://github.com/torvalds/linux/commit/451a2886b6bf90e2fb378f7c46c655450fb96e81	Patch Third Party Advisory
50	https://github.com/torvalds/linux/commit/451a2886b6bf90e2fb378f7c46c655450fb96e81	Patch Third Party Advisory
51	https://github.com/torvalds/linux/commit/fdc81f45e9f57858da6351836507fbcf1b7583ee	Patch Third Party Advisory
52	https://github.com/torvalds/linux/commit/fdc81f45e9f57858da6351836507fbcf1b7583ee	Patch Third Party Advisory
53	https://source.android.com/security/bulletin/2017-07-01	Third Party Advisory
54	https://source.android.com/security/bulletin/2017-07-01	Third Party Advisory

共通脆弱性一覧

No	CWE	名前	URL
1	CWE-190	整数オーバーフローまたはラップアラウンド	https://cwe.mitre.org/data/definitions/190.html

JVN脆弱性情報

Linux Kernel の drivers/scsi/sg.c の sg_start_req 関数における整数オーバーフローの脆弱性

タイトル	Linux Kernel の drivers/scsi/sg.c の sg_start_req 関数における整数オーバーフローの脆弱性
概要	Linux Kernel の drivers/scsi/sg.c の sg_start_req 関数には、整数オーバーフローの脆弱性が存在します。
想定される影響	ローカルユーザにより、write リクエストの過度に大きな iov_count の値を介して、サービス運用妨害 (DoS) 状態にされるなど、不特定の影響を受ける可能性があります。
対策	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。
公表日	2015年3月22日0:00
登録日	2015年10月20日17:56
最終更新日	2015年10月20日17:56

影響を受けるシステム

Linux

Linux Kernel 2.6.x から 4.1 未満の 4.x

CVE (情報セキュリティ共通脆弱性識別子)

No	名前	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2015-5707	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5707
National Vulnerability Database (NVD)
2	CVE-2015-5707	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-5707

CWE (共通脆弱性タイプ一覧)

No	名前	URL
JVNDB
1	CWE-189	https://jvndb.jvn.jp/ja/cwe/CWE-189.html

ベンダー情報

No	名前	URL
GitHub
1	sg_start_req(): make sure that there's not too many elements in iovec	https://github.com/torvalds/linux/commit/451a2886b6bf90e2fb378f7c46c655450fb96e81
2	sg_start_req(): use import_iovec()	https://github.com/torvalds/linux/commit/fdc81f45e9f57858da6351836507fbcf1b7583ee
Linux Kernel
3	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
4	sg_start_req(): make sure that there's not too many elements in iovec	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=451a2886b6bf90e2fb378f7c46c655450fb96e81
5	sg_start_req(): use import_iovec()	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fdc81f45e9f57858da6351836507fbcf1b7583ee
Red Hat Bugzilla
6	Bug 1250030	https://bugzilla.redhat.com/show_bug.cgi?id=1250030

変更履歴

No	変更内容	変更日
0	[2015年10月20日] 掲載	2018年2月17日10:37