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JVN脆弱性詳細

Xen の Transcendent Memory におけるサービス運用妨害 (DoS) の脆弱性

Title	Xen の Transcendent Memory におけるサービス運用妨害 (DoS) の脆弱性
Summary	Xen の Transcendent Memory (TMEM) 内の do_tmem_op 関数には、サービス運用妨害 (ホストクラッシュ) 状態となるなど、不特定の影響を受ける脆弱性が存在します。当初 CVE-2012-3497 の一部として発行された本問題は、CVE-2012-6030 を含む複数の CVE 識別番号に分割されています。
Possible impacts	ローカルゲスト OS ユーザにより、サービス運用妨害 (ホストクラッシュ) 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. 5, 2012, midnight
Registration Date	Nov. 27, 2012, 4:18 p.m.
Last Update	Nov. 27, 2012, 4:18 p.m.

Affected System

シトリックス・システムズ

Xen 4.0.

Xen 4.1

Xen 4.2

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-2012-6030	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6030
National Vulnerability Database (NVD)
2	CVE-2012-6030	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-6030

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
Security Announcements
1	XSA-15 multiple TMEM hypercall vulnerabilities	http://wiki.xen.org/wiki/Security_Announcements#XSA-15_multiple_TMEM_hypercall_vulnerabilities
Xen-announce
2	Xen Security Advisory 15 (CVE-2012-3497) - multiple TMEM hypercall vulnerabilities	http://lists.xen.org/archives/html/xen-announce/2012-09/msg00006.html

Change Log

No	Changed Details	Date of change
0	[2012年11月27日] 掲載	Feb. 17, 2018, 10:37 a.m.

NVD Vulnerability Information

CVE-2012-6030

Summary	The do_tmem_op function in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (host crash) and possibly have other unspecified impacts via unspecified vectors related to "broken locking checks" in an "error path." NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.
Publication Date	Nov. 24, 2012, 5:55 a.m.
Registration Date	Jan. 28, 2021, 3:06 p.m.
Last Update	Nov. 21, 2024, 10:45 a.m.

Affected software configurations

Related information, measures and tools

No	URL	タグ
1	http://lists.xen.org/archives/html/xen-announce/2012-09/msg00006.html	Vendor Advisory
2	http://lists.xen.org/archives/html/xen-announce/2012-09/msg00006.html	Vendor Advisory
3	http://osvdb.org/85199
4	http://osvdb.org/85199
5	http://secunia.com/advisories/50472	Vendor Advisory
6	http://secunia.com/advisories/50472	Vendor Advisory
7	http://secunia.com/advisories/55082
8	http://secunia.com/advisories/55082
9	http://security.gentoo.org/glsa/glsa-201309-24.xml
10	http://security.gentoo.org/glsa/glsa-201309-24.xml
11	http://wiki.xen.org/wiki/Security_Announcements#XSA-15_multiple_TMEM_hypercall_vulnerabilities
12	http://wiki.xen.org/wiki/Security_Announcements#XSA-15_multiple_TMEM_hypercall_vulnerabilities
13	http://www.openwall.com/lists/oss-security/2012/09/05/8
14	http://www.openwall.com/lists/oss-security/2012/09/05/8
15	http://www.securityfocus.com/bid/55410
16	http://www.securityfocus.com/bid/55410
17	http://www.securitytracker.com/id?1027482
18	http://www.securitytracker.com/id?1027482
19	https://exchange.xforce.ibmcloud.com/vulnerabilities/78268
20	https://exchange.xforce.ibmcloud.com/vulnerabilities/78268
21	https://security.gentoo.org/glsa/201604-03
22	https://security.gentoo.org/glsa/201604-03

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