NVD Vulnerability Detail

CVE-2017-5986

Summary	Race condition in the sctp_wait_for_sndbuf function in net/sctp/socket.c in the Linux kernel before 4.9.11 allows local users to cause a denial of service (assertion failure and panic) via a multithreaded application that peels off an association in a certain buffer-full state.
Publication Date	Feb. 19, 2017, 6:59 a.m.
Registration Date	Jan. 26, 2021, 1:26 p.m.
Last Update	Nov. 21, 2024, 12:28 p.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:o:linux:linux_kernel::::::::			4.9.11

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2dcab598484185dea7ec22219c76dcdd59e3cb90	Issue Tracking Patch Third Party Advisory
2	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2dcab598484185dea7ec22219c76dcdd59e3cb90	Issue Tracking Patch Third Party Advisory
3	http://www.debian.org/security/2017/dsa-3804
4	http://www.debian.org/security/2017/dsa-3804
5	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11	Release Notes Vendor Advisory
6	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11	Release Notes Vendor Advisory
7	http://www.openwall.com/lists/oss-security/2017/02/14/6	Mailing List Patch Third Party Advisory
8	http://www.openwall.com/lists/oss-security/2017/02/14/6	Mailing List Patch Third Party Advisory
9	http://www.securityfocus.com/bid/96222
10	http://www.securityfocus.com/bid/96222
11	https://access.redhat.com/errata/RHSA-2017:1308
12	https://access.redhat.com/errata/RHSA-2017:1308
13	https://bugzilla.redhat.com/show_bug.cgi?id=1420276	Issue Tracking Patch
14	https://bugzilla.redhat.com/show_bug.cgi?id=1420276	Issue Tracking Patch
15	https://github.com/torvalds/linux/commit/2dcab598484185dea7ec22219c76dcdd59e3cb90	Issue Tracking Patch Third Party Advisory
16	https://github.com/torvalds/linux/commit/2dcab598484185dea7ec22219c76dcdd59e3cb90	Issue Tracking 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-617	到達可能なアサーション	https://cwe.mitre.org/data/definitions/617.html

JVN Vulnerability Information

Linux Kernel の net/sctp/socket.c の sctp_wait_for_sndbuf 関数におけるサービス運用妨害 (DoS) の脆弱性

Title	Linux Kernel の net/sctp/socket.c の sctp_wait_for_sndbuf 関数におけるサービス運用妨害 (DoS) の脆弱性
Summary	Linux Kernel の net/sctp/socket.c の sctp_wait_for_sndbuf 関数には、競合状態により、サービス運用妨害 (表明違反およびパニック) 状態にされる脆弱性が存在します。
Possible impacts	ローカルユーザにより、特定のバッファフルの状態で関連付けを外すマルチスレッドアプリケーションを介して、サービス運用妨害 (表明違反およびパニック) 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	Feb. 18, 2017, midnight
Registration Date	March 10, 2017, 4:42 p.m.
Last Update	March 10, 2017, 4:42 p.m.

Affected System

Linux

Linux Kernel 4.9.11 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-2017-5986	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5986
National Vulnerability Database (NVD)
2	CVE-2017-5986	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-5986

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

ベンダー情報

No	Name	URL
ChangeLog
1	ChangeLog-4.9.11	https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11
GitHub
2	sctp: avoid BUG_ON on sctp_wait_for_sndbuf	https://github.com/torvalds/linux/commit/2dcab598484185dea7ec22219c76dcdd59e3cb90
Linux Kernel
3	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
4	sctp: avoid BUG_ON on sctp_wait_for_sndbuf	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2dcab598484185dea7ec22219c76dcdd59e3cb90
Red Hat Bugzilla
5	Bug 1420276	https://bugzilla.redhat.com/show_bug.cgi?id=1420276

Change Log

No	Changed Details	Date of change
0	[2017年03月10日] 掲載	Feb. 17, 2018, 10:37 a.m.