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JVN脆弱性詳細

Linux Kernel の drivers/regulator/core.c の regulator_ena_gpio_free 関数における権限を取得される脆弱性

Title	Linux Kernel の drivers/regulator/core.c の regulator_ena_gpio_free 関数における権限を取得される脆弱性
Summary	Linux Kernel の drivers/regulator/core.c の regulator_ena_gpio_free 関数には、権限を取得される、またはサービス運用妨害 (解放済みメモリの使用 (use-after-free)) 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、巧妙に細工されたアプリケーションを介して、権限を取得される、またはサービス運用妨害 (解放済みメモリの使用 (use-after-free)) 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	Dec. 4, 2014, midnight
Registration Date	June 5, 2017, 5:43 p.m.
Last Update	June 5, 2017, 5:43 p.m.

Affected System

Linux

Linux Kernel 3.19 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-2014-9940	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9940
National Vulnerability Database (NVD)
2	CVE-2014-9940	https://nvd.nist.gov/vuln/detail/CVE-2014-9940

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-416	https://cwe.mitre.org/data/definitions/416.html

ベンダー情報

No	Name	URL
Android Open Source Project
1	Android のセキュリティに関する公開情報 - 2017 年 5 月	https://source.android.com/security/bulletin/2017-05-01
GitHub
2	regulator: core: Fix regualtor_ena_gpio_free not to access pin after freeing	https://github.com/torvalds/linux/commit/60a2362f769cf549dc466134efe71c8bf9fbaaba
Linux Kernel
3	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
4	regulator: core: Fix regualtor_ena_gpio_free not to access pin after freeing	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=60a2362f769cf549dc466134efe71c8bf9fbaaba

Change Log

No	Changed Details	Date of change
0	[2017年06月05日] 掲載	Feb. 17, 2018, 10:37 a.m.

NVD Vulnerability Information

CVE-2014-9940

Summary	The regulator_ena_gpio_free function in drivers/regulator/core.c in the Linux kernel before 3.19 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted application.
Publication Date	May 3, 2017, 6:59 a.m.
Registration Date	Jan. 26, 2021, 3:23 p.m.
Last Update	Nov. 21, 2024, 11:22 a.m.

Affected software configurations

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:google:android::::::::			7.1.1

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=60a2362f769cf549dc466134efe71c8bf9fbaaba	Issue Tracking Patch Third Party Advisory
2	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=60a2362f769cf549dc466134efe71c8bf9fbaaba	Issue Tracking Patch Third Party Advisory
3	http://www.debian.org/security/2017/dsa-3945	Third Party Advisory VDB Entry
4	http://www.debian.org/security/2017/dsa-3945	Third Party Advisory VDB Entry
5	http://www.securityfocus.com/bid/98195	Third Party Advisory VDB Entry
6	http://www.securityfocus.com/bid/98195	Third Party Advisory VDB Entry
7	https://github.com/torvalds/linux/commit/60a2362f769cf549dc466134efe71c8bf9fbaaba	Issue Tracking Patch Third Party Advisory
8	https://github.com/torvalds/linux/commit/60a2362f769cf549dc466134efe71c8bf9fbaaba	Issue Tracking Patch Third Party Advisory
9	https://source.android.com/security/bulletin/2017-05-01	Vendor Advisory
10	https://source.android.com/security/bulletin/2017-05-01	Vendor Advisory

Common Vulnerabilities List

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