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Fedora 35: 2022-2c9f8224f8 Critical: Xen Data Leak and MMIO Issues

fedora
Calendar Grey July 22, 2022
Dist Fedora Esm H88
Xen hypervisor enhancements in Fedora 35 address memory leaks and MMIO Outdated Data concerns. Fortify your setup now.
Linux disk/nic frontends data leaks [XSA-403, CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742] (#2104747) ---- update to xen-4.15.3 x86: MMIO Stale Data vulnerabilit...

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

Linux disk/nic frontends data leaks [XSA-403, CVE-2022-26365, CVE-2022-33740,

CVE-2022-33741, CVE-2022-33742] (#2104747) ---- update to xen-4.15.3 x86: MMIO

Stale Data vulnerabilities (not applied in 4.15.2-5) ---- x86: MMIO Stale Data

vulnerabilities [XSA-404, CVE-2022-21123, CVE-2022-21125, CVE-2022-21166] ----x86 pv: Race condition in typeref acquisition [XSA-401, CVE-2022-26362] x86 pv:

Insufficient care with non-coherent mappings [ XSA-402, CVE-2022-26363,

CVE-2022-26364]

* Thu Jul 7 2022 Michael Young - 4.15.3-2

- Linux disk/nic frontends data leaks [XSA-403, CVE-2022-26365,

CVE-2022-33740, CVE-2022-33741, CVE-2022-33742] (#2104747)

* Fri Jul 1 2022 Michael Young - 4.15.3-1

- update to xen-4.15.3

remove or adjust patches now included or superceded upstream

- x86: MMIO Stale Data vulnerabilities (not applied in 4.15.2-5)

* Wed Jun 22 2022 Michael Young - 4.15.2-5

- x86: MMIO Stale Data vulnerabilities [XSA-404, CVE-2022-21123,

CVE-2022-21125, CVE-2022-21166]

* Thu Jun 9 2022 Michael Young - 4.15.2-4

- x86 pv: Race condition in typeref acquisition [XSA-401, CVE-2022-26362]

- x86 pv: Insufficient care with non-coherent mappings [ XSA-402,

CVE-2022-26363, CVE-2022-26364]

- additional patches so above applies cleanly

[ 1 ] Bug #2104746 - CVE-2022-26365 CVE-2022-33740 CVE-2022-33741 CVE-2022-33742 xen: Linux disk/nic frontends data leaks

https://bugzilla.redhat.com/show_bug.cgi?id=2104746

su -c 'dnf upgrade --advisory FEDORA-2022-2c9f8224f8' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 35
Version: 4.15.3
Release: 2.fc35
Summary: Xen is a virtual machine monitor

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