Gentoo Archives: gentoo-announce

From: Yury German <blueknight@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201412-42 ] Xen: Denial of Service
Date: Fri, 26 Dec 2014 18:33:23
Message-Id: 549DA9A9.4060706@gentoo.org
1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2 Gentoo Linux Security Advisory GLSA 201412-42
3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4 http://security.gentoo.org/
5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6
7 Severity: Normal
8 Title: Xen: Denial of Service
9 Date: December 26, 2014
10 Bugs: #523524, #524200
11 ID: 201412-42
12
13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
14
15 Synopsis
16 ========
17
18 Multiple vulnerabilities have been found in Xen, possibly resulting in
19 Denial of Service.
20
21 Background
22 ==========
23
24 Xen is a bare-metal hypervisor.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 app-emulation/xen < 4.4.1-r2 *>= 4.2.5-r1
33 >= 4.4.1-r2
34
35 Description
36 ===========
37
38 Multiple vulnerabilities have been discovered in Xen. Please review the
39 CVE identifiers referenced below for details.
40
41 Impact
42 ======
43
44 A local user could possibly cause a Denial of Service condition.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All Xen 4.2 users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.2.5-r1"
58
59 All Xen 4.4 users should upgrade to the latest version:
60
61 # emerge --sync
62 # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.4.1-r2"
63
64 References
65 ==========
66
67 [ 1 ] CVE-2014-7154
68 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7154
69 [ 2 ] CVE-2014-7155
70 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7155
71 [ 3 ] CVE-2014-7156
72 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7156
73 [ 4 ] CVE-2014-7188
74 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7188
75
76 Availability
77 ============
78
79 This GLSA and any updates to it are available for viewing at
80 the Gentoo Security Website:
81
82 http://security.gentoo.org/glsa/glsa-201412-42.xml
83
84 Concerns?
85 =========
86
87 Security is a primary focus of Gentoo Linux and ensuring the
88 confidentiality and security of our users' machines is of utmost
89 importance to us. Any security concerns should be addressed to
90 security@g.o or alternatively, you may file a bug at
91 https://bugs.gentoo.org.
92
93 License
94 =======
95
96 Copyright 2014 Gentoo Foundation, Inc; referenced text
97 belongs to its owner(s).
98
99 The contents of this document are licensed under the
100 Creative Commons - Attribution / Share Alike license.
101
102 http://creativecommons.org/licenses/by-sa/2.5

Attachments

File name MIME type
signature.asc application/pgp-signature