Fedora 30: FEDORA-2020-2d9a75fadb Critical: Xen CPU Speculation

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

arm: a CPU may speculate past the ERET instruction [XSA-312]

* Tue Jan 14 2020 Michael Young - 4.11.3-3

- arm: a CPU may speculate past the ERET instruction [XSA-312]

* 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 #1791288 - arm: a CPU may speculate past the ERET instruction which could lead to host memory read

https://bugzilla.redhat.com/show_bug.cgi?id=1791288

su -c 'dnf upgrade --advisory FEDORA-2020-2d9a75fadb' at the command

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

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

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