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Gentoo Linux Security Advisory                           GLSA 202208-23
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                                           https://security.gentoo.org/
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 Severity: High
    Title: Xen: Multiple Vulnerabilities
     Date: August 14, 2022
     Bugs: #810341, #812485, #816882, #825354, #832039, #835401, #850802
       ID: 202208-23

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Synopsis
=======
Multiple vulnerabilities have been discovered in Xen, the worst of which
could result in remote code execution (guest sandbox escape).

Background
=========
Xen is a bare-metal hypervisor.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-emulation/xen          < 4.15.3                    >= 4.15.3
  2  app-emulation/xen-tools    < 4.15.3                    >= 4.15.3

Description
==========
Multiple vulnerabilities have been discovered in Xen. Please review the
CVE identifiers referenced below for details.

Impact
=====
Please review the referenced CVE identifiers for details.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Xen users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.15.3"

All Xen tools users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-emulation/xen-tools-4.15.3"

References
=========
[ 1 ] CVE-2021-28694
      https://nvd.nist.gov/vuln/detail/CVE-2021-28694
[ 2 ] CVE-2021-28695
      https://nvd.nist.gov/vuln/detail/CVE-2021-28695
[ 3 ] CVE-2021-28696
      https://nvd.nist.gov/vuln/detail/CVE-2021-28696
[ 4 ] CVE-2021-28697
      https://nvd.nist.gov/vuln/detail/CVE-2021-28697
[ 5 ] CVE-2021-28698
      https://nvd.nist.gov/vuln/detail/CVE-2021-28698
[ 6 ] CVE-2021-28699
      https://nvd.nist.gov/vuln/detail/CVE-2021-28699
[ 7 ] CVE-2021-28700
      https://nvd.nist.gov/vuln/detail/CVE-2021-28700
[ 8 ] CVE-2021-28701
      https://nvd.nist.gov/vuln/detail/CVE-2021-28701
[ 9 ] CVE-2021-28702
      https://nvd.nist.gov/vuln/detail/CVE-2021-28702
[ 10 ] CVE-2021-28710
      https://nvd.nist.gov/vuln/detail/CVE-2021-28710
[ 11 ] CVE-2022-21123
      https://nvd.nist.gov/vuln/detail/CVE-2022-21123
[ 12 ] CVE-2022-21125
      https://nvd.nist.gov/vuln/detail/CVE-2022-21125
[ 13 ] CVE-2022-21166
      https://nvd.nist.gov/vuln/detail/CVE-2022-21166
[ 14 ] CVE-2022-23033
      https://nvd.nist.gov/vuln/detail/CVE-2022-23033
[ 15 ] CVE-2022-23034
      https://nvd.nist.gov/vuln/detail/CVE-2022-23034
[ 16 ] CVE-2022-23035
      https://nvd.nist.gov/vuln/detail/CVE-2022-23035
[ 17 ] CVE-2022-26362
      https://nvd.nist.gov/vuln/detail/CVE-2022-26362
[ 18 ] CVE-2022-26363
      https://nvd.nist.gov/vuln/detail/CVE-2022-26363
[ 19 ] CVE-2022-26364
      https://nvd.nist.gov/vuln/detail/CVE-2022-26364
[ 20 ] XSA-378
[ 21 ] XSA-379
[ 22 ] XSA-380
[ 23 ] XSA-382
[ 24 ] XSA-383
[ 25 ] XSA-384
[ 26 ] XSA-386
[ 27 ] XSA-390
[ 28 ] XSA-401
[ 29 ] XSA-402
[ 30 ] XSA-404

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202208-23

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2022 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/

Gentoo: GLSA-202208-23: Xen: Multiple Vulnerabilities

Multiple vulnerabilities have been discovered in Xen, the worst of which could result in remote code execution (guest sandbox escape).

Summary

Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below for details.

Resolution

All Xen users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.15.3"
All Xen tools users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-tools-4.15.3"

References

[ 1 ] CVE-2021-28694 https://nvd.nist.gov/vuln/detail/CVE-2021-28694 [ 2 ] CVE-2021-28695 https://nvd.nist.gov/vuln/detail/CVE-2021-28695 [ 3 ] CVE-2021-28696 https://nvd.nist.gov/vuln/detail/CVE-2021-28696 [ 4 ] CVE-2021-28697 https://nvd.nist.gov/vuln/detail/CVE-2021-28697 [ 5 ] CVE-2021-28698 https://nvd.nist.gov/vuln/detail/CVE-2021-28698 [ 6 ] CVE-2021-28699 https://nvd.nist.gov/vuln/detail/CVE-2021-28699 [ 7 ] CVE-2021-28700 https://nvd.nist.gov/vuln/detail/CVE-2021-28700 [ 8 ] CVE-2021-28701 https://nvd.nist.gov/vuln/detail/CVE-2021-28701 [ 9 ] CVE-2021-28702 https://nvd.nist.gov/vuln/detail/CVE-2021-28702 [ 10 ] CVE-2021-28710 https://nvd.nist.gov/vuln/detail/CVE-2021-28710 [ 11 ] CVE-2022-21123 https://nvd.nist.gov/vuln/detail/CVE-2022-21123 [ 12 ] CVE-2022-21125 https://nvd.nist.gov/vuln/detail/CVE-2022-21125 [ 13 ] CVE-2022-21166 https://nvd.nist.gov/vuln/detail/CVE-2022-21166 [ 14 ] CVE-2022-23033 https://nvd.nist.gov/vuln/detail/CVE-2022-23033 [ 15 ] CVE-2022-23034 https://nvd.nist.gov/vuln/detail/CVE-2022-23034 [ 16 ] CVE-2022-23035 https://nvd.nist.gov/vuln/detail/CVE-2022-23035 [ 17 ] CVE-2022-26362 https://nvd.nist.gov/vuln/detail/CVE-2022-26362 [ 18 ] CVE-2022-26363 https://nvd.nist.gov/vuln/detail/CVE-2022-26363 [ 19 ] CVE-2022-26364 https://nvd.nist.gov/vuln/detail/CVE-2022-26364 [ 20 ] XSA-378 [ 21 ] XSA-379 [ 22 ] XSA-380 [ 23 ] XSA-382 [ 24 ] XSA-383 [ 25 ] XSA-384 [ 26 ] XSA-386 [ 27 ] XSA-390 [ 28 ] XSA-401 [ 29 ] XSA-402 [ 30 ] XSA-404

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202208-23

Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity
Severity: High
Title: Xen: Multiple Vulnerabilities
Date: August 14, 2022
Bugs: #810341, #812485, #816882, #825354, #832039, #835401, #850802
ID: 202208-23

Synopsis

Multiple vulnerabilities have been discovered in Xen, the worst of which could result in remote code execution (guest sandbox escape).

Background

Xen is a bare-metal hypervisor.

Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/xen < 4.15.3 >= 4.15.3 2 app-emulation/xen-tools < 4.15.3 >= 4.15.3

Impact

===== Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

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