NVD Vulnerability Detail

CVE-2017-15265

Summary	Race condition in the ALSA subsystem in the Linux kernel before 4.13.8 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted /dev/snd/seq ioctl calls, related to sound/core/seq/seq_clientmgr.c and sound/core/seq/seq_ports.c.
Publication Date	Oct. 17, 2017, 3:29 a.m.
Registration Date	Jan. 26, 2021, 1:16 p.m.
Last Update	Nov. 21, 2024, 12:14 p.m.

CVSS3.1 : HIGH
スコア	7.0
Vector	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
攻撃元区分(AV)	ローカル
攻撃条件の複雑さ(AC)	高
攻撃に必要な特権レベル(PR)	低
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)	高
可用性への影響(A)	高

CVSS2.0 : MEDIUM
Score	6.9
Vector	AV:L/AC:M/Au:N/C:C/I:C/A:C
攻撃元区分(AV)	ローカル
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)	高
完全性への影響(I)	高
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::::::::	3.3			3.10.108
cpe:2.3:o:linux:linux_kernel::::::::				3.2.95
cpe:2.3:o:linux:linux_kernel::::::::	3.19			4.1.46
cpe:2.3:o:linux:linux_kernel::::::::	3.11			3.16.50
cpe:2.3:o:linux:linux_kernel::::::::	3.17			3.18.76
cpe:2.3:o:linux:linux_kernel::::::::	4.2			4.4.93
cpe:2.3:o:linux:linux_kernel::::::::	4.5			4.9.57
cpe:2.3:o:linux:linux_kernel::::::::	4.10			4.13.8

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71105998845fb012937332fe2e806d443c09e026	Issue Tracking Patch Vendor Advisory
2	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71105998845fb012937332fe2e806d443c09e026	Issue Tracking Patch Vendor Advisory
3	http://mailman.alsa-project.org/pipermail/alsa-devel/2017-October/126292.html	Mailing List Patch Third Party Advisory
4	http://mailman.alsa-project.org/pipermail/alsa-devel/2017-October/126292.html	Mailing List Patch Third Party Advisory
5	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8	Release Notes Vendor Advisory
6	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8	Release Notes Vendor Advisory
7	http://www.openwall.com/lists/oss-security/2017/10/11/3	Mailing List Patch Third Party Advisory
8	http://www.openwall.com/lists/oss-security/2017/10/11/3	Mailing List Patch Third Party Advisory
9	http://www.securityfocus.com/bid/101288	Third Party Advisory VDB Entry
10	http://www.securityfocus.com/bid/101288	Third Party Advisory VDB Entry
11	http://www.securitytracker.com/id/1039561	Third Party Advisory VDB Entry
12	http://www.securitytracker.com/id/1039561	Third Party Advisory VDB Entry
13	https://access.redhat.com/errata/RHSA-2018:0676	Third Party Advisory
14	https://access.redhat.com/errata/RHSA-2018:0676	Third Party Advisory
15	https://access.redhat.com/errata/RHSA-2018:1062	Third Party Advisory
16	https://access.redhat.com/errata/RHSA-2018:1062	Third Party Advisory
17	https://access.redhat.com/errata/RHSA-2018:1130	Third Party Advisory
18	https://access.redhat.com/errata/RHSA-2018:1130	Third Party Advisory
19	https://access.redhat.com/errata/RHSA-2018:1170	Third Party Advisory
20	https://access.redhat.com/errata/RHSA-2018:1170	Third Party Advisory
21	https://access.redhat.com/errata/RHSA-2018:2390	Third Party Advisory
22	https://access.redhat.com/errata/RHSA-2018:2390	Third Party Advisory
23	https://access.redhat.com/errata/RHSA-2018:3822	Third Party Advisory
24	https://access.redhat.com/errata/RHSA-2018:3822	Third Party Advisory
25	https://access.redhat.com/errata/RHSA-2018:3823	Third Party Advisory
26	https://access.redhat.com/errata/RHSA-2018:3823	Third Party Advisory
27	https://bugzilla.suse.com/show_bug.cgi?id=1062520	Issue Tracking Patch Third Party Advisory
28	https://bugzilla.suse.com/show_bug.cgi?id=1062520	Issue Tracking Patch Third Party Advisory
29	https://github.com/torvalds/linux/commit/71105998845fb012937332fe2e806d443c09e026	Issue Tracking Patch Third Party Advisory
30	https://github.com/torvalds/linux/commit/71105998845fb012937332fe2e806d443c09e026	Issue Tracking Patch Third Party Advisory
31	https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0	Third Party Advisory
32	https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0	Third Party Advisory
33	https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html	Mailing List Third Party Advisory
34	https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html	Mailing List Third Party Advisory
35	https://source.android.com/security/bulletin/2018-02-01	Third Party Advisory
36	https://source.android.com/security/bulletin/2018-02-01	Third Party Advisory
37	https://usn.ubuntu.com/3698-1/	Third Party Advisory
38	https://usn.ubuntu.com/3698-1/	Third Party Advisory
39	https://usn.ubuntu.com/3698-2/	Third Party Advisory
40	https://usn.ubuntu.com/3698-2/	Third Party Advisory
41	https://www.oracle.com/security-alerts/cpujul2020.html	Third Party Advisory
42	https://www.oracle.com/security-alerts/cpujul2020.html	Third Party Advisory
43	https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html	Patch Third Party Advisory
44	https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html	Patch Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-362	競合状態	https://cwe.mitre.org/data/definitions/362.html
2	CWE-416	解放済みメモリの使用	https://cwe.mitre.org/data/definitions/416.html

JVN Vulnerability Information

Linux Kernel における競合状態に関する脆弱性

Title	Linux Kernel における競合状態に関する脆弱性
Summary	Linux Kernel には、競合状態に関する脆弱性、および解放済みメモリの使用に関する脆弱性が存在します。
Possible impacts	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 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	Oct. 18, 2017, midnight
Registration Date	Nov. 2, 2017, 2:13 p.m.
Last Update	Nov. 2, 2017, 2:13 p.m.

Affected System

Linux

Linux Kernel 4.13.8 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-2017-15265	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15265
National Vulnerability Database (NVD)
2	CVE-2017-15265	https://nvd.nist.gov/vuln/detail/CVE-2017-15265

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-362	https://jvndb.jvn.jp/ja/cwe/CWE-362.html
2	CWE-416	https://cwe.mitre.org/data/definitions/416.html

ベンダー情報

No	Name	URL
Bugzilla
1	Bug 1062520	https://bugzilla.suse.com/show_bug.cgi?id=1062520
ChangeLog
2	ChangeLog-4.13.8	https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8
GitHub
3	ALSA: seq: Fix use-after-free at creating a port	https://github.com/torvalds/linux/commit/71105998845fb012937332fe2e806d443c09e026
Linux Kernel
4	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
5	ALSA: seq: Fix use-after-free at creating a port	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71105998845fb012937332fe2e806d443c09e026

その他

No	Name	URL
関連文書
1	[alsa-devel] [PATCH] ALSA: seq: Fix use-after-free at creating a port	http://mailman.alsa-project.org/pipermail/alsa-devel/2017-October/126292.html

Change Log

No	Changed Details	Date of change
0	[2017年11月02日] 掲載	Feb. 17, 2018, 10:37 a.m.