NVD Vulnerability Detail

CVE-2014-9529

Summary	Race condition in the key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 3.18.2 allows local users to cause a denial of service (memory corruption or panic) or possibly have unspecified other impact via keyctl commands that trigger access to a key structure member during garbage collection of a key.
Publication Date	Jan. 10, 2015, 6:59 a.m.
Registration Date	Jan. 26, 2021, 3:22 p.m.
Last Update	Nov. 21, 2024, 11:21 a.m.

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::::::::	3.15			3.16.35
cpe:2.3:o:linux:linux_kernel::::::::	3.3			3.4.107
cpe:2.3:o:linux:linux_kernel::::::::	3.17			3.18.5
cpe:2.3:o:linux:linux_kernel::::::::	3.13	3.14.31
cpe:2.3:o:linux:linux_kernel::::::::	3.11	3.12.37
cpe:2.3:o:linux:linux_kernel::::::::	3.5			3.10.67
cpe:2.3:o:linux:linux_kernel::::::::				3.2.67

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:::::::*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:6.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:opensuse:opensuse:13.1:::::::*

Configuration4	or higher	or less	more than	less than
cpe:2.3:o:fedoraproject:fedora:20:::::::*
cpe:2.3:o:fedoraproject:fedora:21:::::::*

Configuration5	or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*

Configuration6	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.10:::::::*
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:10.04::::lts:::

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a3a8784454692dd72e5d5d34dcdab17b4420e74c	Broken Link
2	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a3a8784454692dd72e5d5d34dcdab17b4420e74c	Broken Link
3	http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147864.html	Third Party Advisory
4	http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147864.html	Third Party Advisory
5	http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147973.html	Third Party Advisory
6	http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147973.html	Third Party Advisory
7	http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html	Mailing List Third Party Advisory
8	http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html	Mailing List Third Party Advisory
9	http://rhn.redhat.com/errata/RHSA-2015-0864.html	Third Party Advisory
10	http://rhn.redhat.com/errata/RHSA-2015-0864.html	Third Party Advisory
11	http://rhn.redhat.com/errata/RHSA-2015-1137.html	Third Party Advisory
12	http://rhn.redhat.com/errata/RHSA-2015-1137.html	Third Party Advisory
13	http://rhn.redhat.com/errata/RHSA-2015-1138.html	Third Party Advisory
14	http://rhn.redhat.com/errata/RHSA-2015-1138.html	Third Party Advisory
15	http://www.debian.org/security/2015/dsa-3128	Third Party Advisory
16	http://www.debian.org/security/2015/dsa-3128	Third Party Advisory
17	http://www.mandriva.com/security/advisories?name=MDVSA-2015:058	Third Party Advisory
18	http://www.mandriva.com/security/advisories?name=MDVSA-2015:058	Third Party Advisory
19	http://www.openwall.com/lists/oss-security/2015/01/06/10	Mailing List Patch Third Party Advisory
20	http://www.openwall.com/lists/oss-security/2015/01/06/10	Mailing List Patch Third Party Advisory
21	http://www.securityfocus.com/bid/71880	Third Party Advisory VDB Entry
22	http://www.securityfocus.com/bid/71880	Third Party Advisory VDB Entry
23	http://www.securitytracker.com/id/1036763	Third Party Advisory VDB Entry
24	http://www.securitytracker.com/id/1036763	Third Party Advisory VDB Entry
25	http://www.ubuntu.com/usn/USN-2511-1	Third Party Advisory
26	http://www.ubuntu.com/usn/USN-2511-1	Third Party Advisory
27	http://www.ubuntu.com/usn/USN-2512-1	Third Party Advisory
28	http://www.ubuntu.com/usn/USN-2512-1	Third Party Advisory
29	http://www.ubuntu.com/usn/USN-2513-1	Third Party Advisory
30	http://www.ubuntu.com/usn/USN-2513-1	Third Party Advisory
31	http://www.ubuntu.com/usn/USN-2514-1	Third Party Advisory
32	http://www.ubuntu.com/usn/USN-2514-1	Third Party Advisory
33	http://www.ubuntu.com/usn/USN-2515-1	Third Party Advisory
34	http://www.ubuntu.com/usn/USN-2515-1	Third Party Advisory
35	http://www.ubuntu.com/usn/USN-2516-1	Third Party Advisory
36	http://www.ubuntu.com/usn/USN-2516-1	Third Party Advisory
37	http://www.ubuntu.com/usn/USN-2517-1	Third Party Advisory
38	http://www.ubuntu.com/usn/USN-2517-1	Third Party Advisory
39	http://www.ubuntu.com/usn/USN-2518-1	Third Party Advisory
40	http://www.ubuntu.com/usn/USN-2518-1	Third Party Advisory
41	https://bugzilla.redhat.com/show_bug.cgi?id=1179813	Issue Tracking Patch Third Party Advisory
42	https://bugzilla.redhat.com/show_bug.cgi?id=1179813	Issue Tracking Patch Third Party Advisory
43	https://exchange.xforce.ibmcloud.com/vulnerabilities/99641	Third Party Advisory VDB Entry
44	https://exchange.xforce.ibmcloud.com/vulnerabilities/99641	Third Party Advisory VDB Entry
45	https://github.com/torvalds/linux/commit/a3a8784454692dd72e5d5d34dcdab17b4420e74c	Patch Third Party Advisory
46	https://github.com/torvalds/linux/commit/a3a8784454692dd72e5d5d34dcdab17b4420e74c	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

JVN Vulnerability Information

Linux Kernel の security/keys/gc.c の key_gc_unused_keys 関数におけるサービス運用妨害 (DoS) の脆弱性

Title	Linux Kernel の security/keys/gc.c の key_gc_unused_keys 関数におけるサービス運用妨害 (DoS) の脆弱性
Summary	Linux Kernel の security/keys/gc.c 内の key_gc_unused_keys 関数には、競合状態により、サービス運用妨害 (メモリ破損またはパニック) 状態にされるなど、不特定の影響を受ける脆弱性が存在します。
Possible impacts	ローカルユーザにより、キーのガベージコレクション中にキーの構造体メンバへのアクセスを誘発する keyctl コマンドを介して、サービス運用妨害 (メモリ破損またはパニック) 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	Dec. 29, 2014, midnight
Registration Date	Jan. 15, 2015, 11:34 a.m.
Last Update	Jan. 15, 2015, 11:34 a.m.

Affected System

Linux

Linux Kernel 3.18.2 まで

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-2014-9529	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9529
National Vulnerability Database (NVD)
2	CVE-2014-9529	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9529

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
GitHub
1	KEYS: close race between key lookup and freeing	https://github.com/torvalds/linux/commit/a3a8784454692dd72e5d5d34dcdab17b4420e74c
Linux Kernel
2	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
3	KEYS: close race between key lookup and freeing	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a3a8784454692dd72e5d5d34dcdab17b4420e74c
Red Hat Bugzilla
4	Bug 837502	https://bugzilla.redhat.com/show_bug.cgi?id=1179813

Change Log

No	Changed Details	Date of change
0	[2015年01月15日] 掲載	Feb. 17, 2018, 10:37 a.m.

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:::::::*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:6.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:::::::*