Changelog
xen (4.11.1+92-g6c33308a8d-1) unstable; urgency=high
* Update to new upstream version 4.11.1+92-g6c33308a8d, which also
contains the following security fixes:
- Fix: grant table transfer issues on large hosts
XSA-284 (no CVE yet) (Closes: #929991)
- Fix: race with pass-through device hotplug
XSA-285 (no CVE yet) (Closes: #929998)
- Fix: x86: steal_page violates page_struct access discipline
XSA-287 (no CVE yet) (Closes: #930001)
- Fix: x86: Inconsistent PV IOMMU discipline
XSA-288 (no CVE yet) (Closes: #929994)
- Fix: missing preemption in x86 PV page table unvalidation
XSA-290 (no CVE yet) (Closes: #929996)
- Fix: x86/PV: page type reference counting issue with failed IOMMU update
XSA-291 (no CVE yet) (Closes: #929995)
- Fix: x86: insufficient TLB flushing when using PCID
XSA-292 (no CVE yet) (Closes: #929993)
- Fix: x86: PV kernel context switch corruption
XSA-293 (no CVE yet) (Closes: #929999)
- Fix: x86 shadow: Insufficient TLB flushing when using PCID
XSA-294 (no CVE yet) (Closes: #929992)
- Fix: Microarchitectural Data Sampling speculative side channel
XSA-297 CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091
(Closes: #929129)
* Note that the fixes for XSA-297 will only have effect when also loading
updated cpu microcode with MD_CLEAR functionality. When using the
intel-microcode package to include microcode in the dom0 initrd, it has to
be loaded by Xen. Please refer to the hypervisor command line
documentation about the 'ucode=scan' option.
* Fixes for XSA-295 "Unlimited Arm Atomics Operations" will be added in the
next upload.
-- Hans van Kranenburg <email address hidden> Tue, 18 Jun 2019 09:50:19 +0200
