NVD Vulnerability Detail

CVE-2016-8658

Summary	Stack-based buffer overflow in the brcmf_cfg80211_start_ap function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux kernel before 4.7.5 allows local users to cause a denial of service (system crash) or possibly have unspecified other impact via a long SSID Information Element in a command to a Netlink socket.
Publication Date	Oct. 17, 2016, 6:59 a.m.
Registration Date	Jan. 26, 2021, 2:18 p.m.
Last Update	Nov. 21, 2024, 11:59 a.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:o:linux:linux_kernel::::::::			4.7.4

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ded89912156b1a47d940a0c954c43afbabd0c42c	Issue Tracking Patch
2	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ded89912156b1a47d940a0c954c43afbabd0c42c	Issue Tracking Patch
3	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5	Release Notes
4	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5	Release Notes
5	http://www.openwall.com/lists/oss-security/2016/10/13/1	Mailing List
6	http://www.openwall.com/lists/oss-security/2016/10/13/1	Mailing List
7	http://www.securityfocus.com/bid/93541
8	http://www.securityfocus.com/bid/93541
9	http://www.ubuntu.com/usn/USN-3145-1
10	http://www.ubuntu.com/usn/USN-3145-1
11	http://www.ubuntu.com/usn/USN-3145-2
12	http://www.ubuntu.com/usn/USN-3145-2
13	http://www.ubuntu.com/usn/USN-3146-1
14	http://www.ubuntu.com/usn/USN-3146-1
15	http://www.ubuntu.com/usn/USN-3146-2
16	http://www.ubuntu.com/usn/USN-3146-2
17	https://bugzilla.redhat.com/show_bug.cgi?id=1384403	Issue Tracking
18	https://bugzilla.redhat.com/show_bug.cgi?id=1384403	Issue Tracking
19	https://github.com/torvalds/linux/commit/ded89912156b1a47d940a0c954c43afbabd0c42c	Issue Tracking Patch
20	https://github.com/torvalds/linux/commit/ded89912156b1a47d940a0c954c43afbabd0c42c	Issue Tracking Patch

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-119	バッファエラー	https://cwe.mitre.org/data/definitions/118.html

JVN Vulnerability Information

Linux Kernel の drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c におけるスタックベースのバッファオーバーフローの脆弱性

Title	Linux Kernel の drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c におけるスタックベースのバッファオーバーフローの脆弱性
Summary	Linux Kernel の drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c の brcmf_cfg80211_start_ap 関数には、スタックベースのバッファオーバーフローの脆弱性が存在します。
Possible impacts	ローカルユーザにより、Netlink ソケットへのコマンド内の過度に長い SSID 情報の要素を介して、サービス運用妨害 (システムクラッシュ) 状態にされるなど、不特定の影響を受け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. 24, 2016, midnight
Registration Date	Oct. 25, 2016, 11:50 a.m.
Last Update	Oct. 25, 2016, 11:50 a.m.

Affected System

Linux

Linux Kernel 4.7.5 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-2016-8658	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8658
National Vulnerability Database (NVD)
2	CVE-2016-8658	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-8658

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-119	https://jvndb.jvn.jp/ja/cwe/CWE-119.html

ベンダー情報

No	Name	URL
ChangeLog
1	ChangeLog-4.7.5	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5
GitHub
2	brcmfmac: avoid potential stack overflow in brcmf_cfg80211_start_ap()	https://github.com/torvalds/linux/commit/ded89912156b1a47d940a0c954c43afbabd0c42c
Linux Kernel
3	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
4	brcmfmac: avoid potential stack overflow in brcmf_cfg80211_start_ap()	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ded89912156b1a47d940a0c954c43afbabd0c42c
Red Hat Bugzilla
5	Bug 1384403	https://bugzilla.redhat.com/show_bug.cgi?id=1384403

Change Log

No	Changed Details	Date of change
0	[2016年10月25日] 掲載	Feb. 17, 2018, 10:37 a.m.