Gentoo Archives: gentoo-announce

From: Stefan Behte <craig@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201206-35 ] nbd: Multiple vulnerabilities
Date: Mon, 25 Jun 2012 19:43:52
Message-Id: 4FE8B9FC.8010909@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201206-35
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4 http://security.gentoo.org/
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6
7 Severity: High
8 Title: nbd: Multiple vulnerabilities
9 Date: June 25, 2012
10 Bugs: #353097, #372891
11 ID: 201206-35
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14
15 Synopsis
16 ========
17
18 Multiple vulnerabilities were found in nbd, which could lead to remote
19 execution of arbitrary code.
20
21 Background
22 ==========
23
24 nbd is a userland client/server for kernel network block device.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 sys-block/nbd < 2.9.22 >= 2.9.22
33
34 Description
35 ===========
36
37 Multiple vulnerabilities have been discovered in nbd. Please review the
38 CVE identifiers referenced below for details.
39
40 Impact
41 ======
42
43 nbd allows remote attackers to cause a denial of service (NULL pointer
44 dereference and crash) or the execution of arbitrary code.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All nbd users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=sys-block/nbd-2.9.22"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2011-0530
63 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0530
64 [ 2 ] CVE-2011-1925
65 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1925
66
67 Availability
68 ============
69
70 This GLSA and any updates to it are available for viewing at
71 the Gentoo Security Website:
72
73 http://security.gentoo.org/glsa/glsa-201206-35.xml
74
75 Concerns?
76 =========
77
78 Security is a primary focus of Gentoo Linux and ensuring the
79 confidentiality and security of our users' machines is of utmost
80 importance to us. Any security concerns should be addressed to
81 security@g.o or alternatively, you may file a bug at
82 https://bugs.gentoo.org.
83
84 License
85 =======
86
87 Copyright 2012 Gentoo Foundation, Inc; referenced text
88 belongs to its owner(s).
89
90 The contents of this document are licensed under the
91 Creative Commons - Attribution / Share Alike license.
92
93 http://creativecommons.org/licenses/by-sa/2.5

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