Gentoo Archives: gentoo-announce

From: Sam James <sam@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202107-30 ] Xen: Multiple vulnerabilities
Date: Mon, 12 Jul 2021 02:55:08
Message-Id: 63415772-9CEB-4535-A123-AC27A56D9FC1@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 202107-30
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4 https://security.gentoo.org/
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6
7 Severity: High
8 Title: Xen: Multiple vulnerabilities
9 Date: July 12, 2021
10 Bugs: #760144, #766474, #783456, #795054
11 ID: 202107-30
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14
15 Synopsis
16 ========
17
18 Multiple vulnerabilities have been found in Xen, the worst of which
19 could result in privilege escalation.
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 < 4.15.0-r1 >= 4.14.2-r1
33 >= 4.15.0-r1
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 Please review the referenced CVE identifiers for details.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All Xen 4.14.x users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.14.2-r1"
58
59 All Xen 4.15.x users should upgrade to the latest version:
60
61 # emerge --sync
62 # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.15.0-r1"
63
64 References
65 ==========
66
67 [ 1 ] CVE-2020-29479
68 https://nvd.nist.gov/vuln/detail/CVE-2020-29479
69 [ 2 ] CVE-2020-29486
70 https://nvd.nist.gov/vuln/detail/CVE-2020-29486
71 [ 3 ] CVE-2020-29487
72 https://nvd.nist.gov/vuln/detail/CVE-2020-29487
73 [ 4 ] CVE-2020-29566
74 https://nvd.nist.gov/vuln/detail/CVE-2020-29566
75 [ 5 ] CVE-2020-29567
76 https://nvd.nist.gov/vuln/detail/CVE-2020-29567
77 [ 6 ] CVE-2020-29568
78 https://nvd.nist.gov/vuln/detail/CVE-2020-29568
79 [ 7 ] CVE-2020-29569
80 https://nvd.nist.gov/vuln/detail/CVE-2020-29569
81 [ 8 ] CVE-2020-29570
82 https://nvd.nist.gov/vuln/detail/CVE-2020-29570
83 [ 9 ] CVE-2020-29571
84 https://nvd.nist.gov/vuln/detail/CVE-2020-29571
85 [ 10 ] CVE-2021-0089
86 https://nvd.nist.gov/vuln/detail/CVE-2021-0089
87 [ 11 ] CVE-2021-26313
88 https://nvd.nist.gov/vuln/detail/CVE-2021-26313
89 [ 12 ] CVE-2021-28687
90 https://nvd.nist.gov/vuln/detail/CVE-2021-28687
91 [ 13 ] CVE-2021-28690
92 https://nvd.nist.gov/vuln/detail/CVE-2021-28690
93 [ 14 ] CVE-2021-28691
94 https://nvd.nist.gov/vuln/detail/CVE-2021-28691
95 [ 15 ] CVE-2021-28692
96 https://nvd.nist.gov/vuln/detail/CVE-2021-28692
97 [ 16 ] CVE-2021-28693
98 https://nvd.nist.gov/vuln/detail/CVE-2021-28693
99 [ 17 ] CVE-2021-3308
100 https://nvd.nist.gov/vuln/detail/CVE-2021-3308
101
102 Availability
103 ============
104
105 This GLSA and any updates to it are available for viewing at
106 the Gentoo Security Website:
107
108 https://security.gentoo.org/glsa/202107-30
109
110 Concerns?
111 =========
112
113 Security is a primary focus of Gentoo Linux and ensuring the
114 confidentiality and security of our users' machines is of utmost
115 importance to us. Any security concerns should be addressed to
116 security@g.o or alternatively, you may file a bug at
117 https://bugs.gentoo.org.
118
119 License
120 =======
121
122 Copyright 2021 Gentoo Foundation, Inc; referenced text
123 belongs to its owner(s).
124
125 The contents of this document are licensed under the
126 Creative Commons - Attribution / Share Alike license.
127
128 https://creativecommons.org/licenses/by-sa/2.5

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