Alerts This Week
Warning Icon 1 681
Alerts This Week
Warning Icon 1 681

Fedora 30: FEDORA-2019-2e12bd3a9a Critical: Xen Denial Of Service

fedora
Calendar Grey January 3, 2020
Dist Fedora Esm H88
Fedora 30 releases address multiple vulnerabilities in kernel, including potential exploitation risks for memory corruption and unauthorized access issues.
denial of service in find_next_bit() [XSA-307, CVE-2019-19581, CVE-2019-19582] (#1782211) denial of service in HVM/PVH guest userspace code [XSA-308, CVE-2019-19583] (#1782206) pri...

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

denial of service in find_next_bit() [XSA-307, CVE-2019-19581, CVE-2019-19582]

(#1782211) denial of service in HVM/PVH guest userspace code [XSA-308,

CVE-2019-19583] (#1782206) privilege escalation due to malicious PV guest

[XSA-309, CVE-2019-19578] (#1782210) Further issues with restartable PV type

change operations [XSA-310, CVE-2019-19580] (#1782207) vulnerability in dynamic

height handling for AMD IOMMU pagetables [XSA-311, CVE-2019-19577] (#1782208)

* Thu Dec 12 2019 Michael Young - 4.11.3-2

- denial of service in find_next_bit() [XSA-307, CVE-2019-19581,

CVE-2019-19582] (#1782211)

- denial of service in HVM/PVH guest userspace code [XSA-308,

CVE-2019-19583] (#1782206)

- privilege escalation due to malicious PV guest [XSA-309, CVE-2019-19578]

(#1782210)

- Further issues with restartable PV type change operations [XSA-310,

CVE-2019-19580] (#1782207)

- vulnerability in dynamic height handling for AMD IOMMU pagetables

[XSA-311, CVE-2019-19577] (#1782208)

* Tue Dec 3 2019 Michael Young - 4.11.3-1

- update to 4.11.3

remove patches now fixed upstream

adjust xen.use.fedora.ipxe.patch

* Tue Nov 26 2019 Michael Young - 4.11.2-4

- Device quarantine for alternate pci assignment methods [XSA-306,

CVE-2019-19579] (#1780559)

* Tue Nov 12 2019 Michael Young - 4.11.2-3

- add missing XSA-299 patches

- x86: Machine Check Error on Page Size Change DoS [XSA-304, CVE-2018-12207]

- TSX Asynchronous Abort speculative side channel [XSA-305, CVE-2019-11135]

* Fri Nov 1 2019 Michael Young - 4.11.2-2

- VCPUOP_initialise DoS [XSA-296, CVE-2019-18420] (#1771368)

- missing descriptor table limit checking in x86 PV emulation [XSA-298,

CVE-2019-18425] (#1771341)

- Issues with restartable PV type change operations [XSA-299, CVE-2019-18421]

(#1767726)

- add-to-physmap can be abused to DoS Arm hosts [XSA-301, CVE-2019-18423]

(#1771345)

- passed through PCI devices may corrupt host memory after deassignment

[XSA-302, CVE-2019-18424] (#1767731)

- ARM: Interrupts are unconditionally unmasked in exception handlers

[XSA-303, CVE-2019-18422] (#1771443)

* Mon Jul 1 2019 Michael Young - 4.11.2-1

- update to 4.11.2

remove patches now fixed upstream

adjust xen.use.fedora.ipxe.patch

drop parts of xen.gcc9.fixes.patch

* Sat Jun 15 2019 Michael Young - 4.11.1-6

- Unlimited Arm Atomics Operations [XSA-295, CVE-2019-17349,

CVE-2019-17350] (#1720760)

* Tue May 14 2019 Michael Young - 4.11.1-5

- Microarchitectural Data Sampling speculative side channel [XSA-297,

CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091]

- additional patches so above applies cleanly

- work around grub2 issues in dom0

[ 1 ] Bug #1778191 - CVE-2019-19582 xen: denial of service in find_next_bit() (XSA-307)

https://bugzilla.redhat.com/show_bug.cgi?id=1778191

[ 2 ] Bug #1778171 - CVE-2019-19583 xen: denial of service in HVM/PVH guest userspace code (XSA-308)

https://bugzilla.redhat.com/show_bug.cgi?id=1778171

[ 3 ] Bug #1778161 - CVE-2019-19578 xen: privilege escalation due to malicious PV guest (XSA-309)

https://bugzilla.redhat.com/show_bug.cgi?id=1778161

[ 4 ] Bug #1778185 - CVE-2019-19580 xen: Further issues with restartable PV type change operations (XSA-310)

https://bugzilla.redhat.com/show_bug.cgi?id=1778185

[ 5 ] Bug #1778194 - CVE-2019-19577 xen: vulnerability in dynamic height handling for AMD IOMMU pagetables (XSA-311 v2)

https://bugzilla.redhat.com/show_bug.cgi?id=1778194

su -c 'dnf upgrade --advisory FEDORA-2019-2e12bd3a9a' 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/

package-announce mailing list -- package-announce@lists.fedoraproject.org

To unsubscribe send an email to package-announce-leave@lists.fedoraproject.org

Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/

List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines

List Archives: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/

Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 30
Version: 4.11.3
Release: 2.fc30
Summary: Xen is a virtual machine monitor

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Related News

Your message here