| 1 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 2 |
Gentoo Linux Security Advisory GLSA 201702-27 |
| 3 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 4 |
https://security.gentoo.org/ |
| 5 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 6 |
|
| 7 |
Severity: Normal |
| 8 |
Title: Xen: Multiple vulnerabilities |
| 9 |
Date: February 21, 2017 |
| 10 |
Bugs: #607840, #609160 |
| 11 |
ID: 201702-27 |
| 12 |
|
| 13 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 14 |
|
| 15 |
Synopsis |
| 16 |
======== |
| 17 |
|
| 18 |
Multiple vulnerabilities have been found in Xen, the worst of which |
| 19 |
could lead to the execution of arbitrary code on the host system. |
| 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 < 4.7.1-r5 >= 4.7.1-r5 |
| 33 |
2 app-emulation/xen-tools < 4.7.1-r6 >= 4.7.1-r6 |
| 34 |
------------------------------------------------------------------- |
| 35 |
2 affected packages |
| 36 |
|
| 37 |
Description |
| 38 |
=========== |
| 39 |
|
| 40 |
Multiple vulnerabilities have been discovered in Xen. Please review the |
| 41 |
CVE identifiers and Xen Security Advisory referenced below for details. |
| 42 |
|
| 43 |
Impact |
| 44 |
====== |
| 45 |
|
| 46 |
A local attacker could potentially execute arbitrary code with |
| 47 |
privileges of Xen (QEMU) process on the host, gain privileges on the |
| 48 |
host system, cause a Denial of Service condition, or obtain sensitive |
| 49 |
information. |
| 50 |
|
| 51 |
Workaround |
| 52 |
========== |
| 53 |
|
| 54 |
There is no known workaround at this time. |
| 55 |
|
| 56 |
Resolution |
| 57 |
========== |
| 58 |
|
| 59 |
All Xen users should upgrade to the latest version: |
| 60 |
|
| 61 |
# emerge --sync |
| 62 |
# emerge --ask --oneshot --verbose ">=app-emulation/xen-4.7.1-r5" |
| 63 |
|
| 64 |
All Xen Tools users should upgrade to the latest version: |
| 65 |
|
| 66 |
# emerge --sync |
| 67 |
# emerge --ask --oneshot -v ">=app-emulation/xen-tools-4.7.1-r6" |
| 68 |
|
| 69 |
References |
| 70 |
========== |
| 71 |
|
| 72 |
[ 1 ] CVE-2017-2615 |
| 73 |
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-2615 |
| 74 |
[ 2 ] XSA-207 |
| 75 |
https://xenbits.xen.org/xsa/advisory-207.html |
| 76 |
[ 3 ] XSA-208 |
| 77 |
https://xenbits.xen.org/xsa/advisory-208.html |
| 78 |
|
| 79 |
Availability |
| 80 |
============ |
| 81 |
|
| 82 |
This GLSA and any updates to it are available for viewing at |
| 83 |
the Gentoo Security Website: |
| 84 |
|
| 85 |
https://security.gentoo.org/glsa/201702-27 |
| 86 |
|
| 87 |
Concerns? |
| 88 |
========= |
| 89 |
|
| 90 |
Security is a primary focus of Gentoo Linux and ensuring the |
| 91 |
confidentiality and security of our users' machines is of utmost |
| 92 |
importance to us. Any security concerns should be addressed to |
| 93 |
security@g.o or alternatively, you may file a bug at |
| 94 |
https://bugs.gentoo.org. |
| 95 |
|
| 96 |
License |
| 97 |
======= |
| 98 |
|
| 99 |
Copyright 2017 Gentoo Foundation, Inc; referenced text |
| 100 |
belongs to its owner(s). |
| 101 |
|
| 102 |
The contents of this document are licensed under the |
| 103 |
Creative Commons - Attribution / Share Alike license. |
| 104 |
|
| 105 |
http://creativecommons.org/licenses/by-sa/2.5 |
Archives