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JVN脆弱性詳細

Linux Kernel の net/compat.c の compat_sys_recvmmsg 関数における権限を取得される脆弱性

Title	Linux Kernel の net/compat.c の compat_sys_recvmmsg 関数における権限を取得される脆弱性
Summary	Linux Kernel の net/compat.c の compat_sys_recvmmsg 関数には、CONFIG_X86_X32 が有効になっている場合、権限を取得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 timeout pointer パラメータを伴う recvmmsg システムコールを介して、権限を取得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. 6, 2014, midnight
Registration Date	Feb. 10, 2014, 6 p.m.
Last Update	Feb. 10, 2014, 6 p.m.

CVSS2.0 : 警告
Score	6.9
Vector	AV:L/AC:M/Au:N/C:C/I:C/A:C

Affected System

Linux

Linux Kernel 3.13.2 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-2014-0038	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0038
National Vulnerability Database (NVD)
2	CVE-2014-0038	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-0038

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-20	https://jvndb.jvn.jp/ja/cwe/CWE-20.html

ベンダー情報

No	Name	URL
ChangeLog
1	ChangeLog-3.13.2	https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.2
GitHub
2	Linux local root exploit for CVE-2014-0038	https://github.com/saelo/cve-2014-0038
3	x86, x32: Correct invalid use of user timespec in the kernel	https://github.com/torvalds/linux/commit/2def2ef2ae5f3990aabdbe8a755911902707d268
Linux Kernel
4	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
5	x86, x32: Correct invalid use of user timespec in the kernel	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2def2ef2ae5f3990aabdbe8a755911902707d268
Red Hat Bugzilla
6	Bug 1060023	https://bugzilla.redhat.com/show_bug.cgi?id=1060023

Change Log

No	Changed Details	Date of change
0	[2014年02月10日] 掲載	Feb. 17, 2018, 10:37 a.m.

NVD Vulnerability Information

CVE-2014-0038

Summary	The compat_sys_recvmmsg function in net/compat.c in the Linux kernel before 3.13.2, when CONFIG_X86_X32 is enabled, allows local users to gain privileges via a recvmmsg system call with a crafted timeout pointer parameter.
Publication Date	Feb. 7, 2014, 7:55 a.m.
Registration Date	Jan. 26, 2021, 3:03 p.m.
Last Update	Nov. 21, 2024, 11:01 a.m.

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:o:linux:linux_kernel::::::::	3.4			3.4.79
cpe:2.3:o:linux:linux_kernel::::::::	3.5			3.10.29
cpe:2.3:o:linux:linux_kernel::::::::	3.11			3.12.10
cpe:2.3:o:linux:linux_kernel::::::::	3.13			3.13.2

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:opensuse:opensuse:12.3:::::::*

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=2def2ef2ae5f3990aabdbe8a755911902707d268	Third Party Advisory VDB Entry
2	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2def2ef2ae5f3990aabdbe8a755911902707d268	Third Party Advisory VDB Entry
3	http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html	Third Party Advisory VDB Entry
4	http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html	Third Party Advisory VDB Entry
5	http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html	Third Party Advisory VDB Entry
6	http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html	Third Party Advisory VDB Entry
7	http://pastebin.com/raw.php?i=DH3Lbg54	Exploit
8	http://pastebin.com/raw.php?i=DH3Lbg54	Exploit
9	http://secunia.com/advisories/56669	Not Applicable
10	http://secunia.com/advisories/56669	Not Applicable
11	http://www.exploit-db.com/exploits/31346	Third Party Advisory VDB Entry
12	http://www.exploit-db.com/exploits/31346	Third Party Advisory VDB Entry
13	http://www.exploit-db.com/exploits/31347	Third Party Advisory VDB Entry
14	http://www.exploit-db.com/exploits/31347	Third Party Advisory VDB Entry
15	http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.2	Third Party Advisory
16	http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.2	Third Party Advisory
17	http://www.mandriva.com/security/advisories?name=MDVSA-2014:038	Third Party Advisory
18	http://www.mandriva.com/security/advisories?name=MDVSA-2014:038	Third Party Advisory
19	http://www.openwall.com/lists/oss-security/2014/01/31/2	Mailing List
20	http://www.openwall.com/lists/oss-security/2014/01/31/2	Mailing List
21	http://www.securityfocus.com/bid/65255	Third Party Advisory VDB Entry
22	http://www.securityfocus.com/bid/65255	Third Party Advisory VDB Entry
23	http://www.ubuntu.com/usn/USN-2094-1	Third Party Advisory
24	http://www.ubuntu.com/usn/USN-2094-1	Third Party Advisory
25	http://www.ubuntu.com/usn/USN-2095-1	Third Party Advisory
26	http://www.ubuntu.com/usn/USN-2095-1	Third Party Advisory
27	http://www.ubuntu.com/usn/USN-2096-1	Third Party Advisory
28	http://www.ubuntu.com/usn/USN-2096-1	Third Party Advisory
29	https://bugzilla.redhat.com/show_bug.cgi?id=1060023	Issue Tracking
30	https://bugzilla.redhat.com/show_bug.cgi?id=1060023	Issue Tracking
31	https://code.google.com/p/chromium/issues/detail?id=338594	Third Party Advisory
32	https://code.google.com/p/chromium/issues/detail?id=338594	Third Party Advisory
33	https://github.com/saelo/cve-2014-0038	Third Party Advisory
34	https://github.com/saelo/cve-2014-0038	Third Party Advisory
35	https://github.com/torvalds/linux/commit/2def2ef2ae5f3990aabdbe8a755911902707d268	Exploit Patch
36	https://github.com/torvalds/linux/commit/2def2ef2ae5f3990aabdbe8a755911902707d268	Exploit Patch
37	https://www.exploit-db.com/exploits/40503/	Third Party Advisory VDB Entry
38	https://www.exploit-db.com/exploits/40503/	Third Party Advisory VDB Entry

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-20	不適切な入力確認	https://cwe.mitre.org/data/definitions/20.html