[ubuntu-cloud-archive/mitaka-updates] xen (Accepted)
Corey Bryant
corey.bryant at canonical.com
Wed Mar 28 15:07:19 UTC 2018
xen (4.6.5-0ubuntu1.4~cloud0) trusty-mitaka; urgency=medium
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* New upstream release for the Ubuntu Cloud Archive.
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xen (4.6.5-0ubuntu1.4) xenial-security; urgency=medium
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* Applying Xen Security Advisories:
- CVE-2017-14316 / XSA-231
- xen/mm: make sure node is less than MAX_NUMNODES
- CVE-2017-14318 / XSA-232
- grant_table: fix GNTTABOP_cache_flush handling
- CVE-2017-14317 / XSA-233
- tools/xenstore: dont unlink connection object twice
- CVE-2017-14319 / XSA-234
- gnttab: also validate PTE permissions upon destroy/replace
- XSA-235
- arm/mm: release grant lock on xenmem_add_to_physmap_one() error paths
- XSA-237
- x86: don't allow MSI pIRQ mapping on unowned device
- x86: enforce proper privilege when (un)mapping pIRQ-s
- x86/MSI: disallow redundant enabling
- x86/IRQ: conditionally preserve irq <-> pirq mapping on map error
paths
- x86/FLASK: fix unmap-domain-IRQ XSM hook
- XSA-238
- x86/ioreq server: correctly handle bogus
XEN_DMOP_{,un}map_io_range_to_ioreq_server arguments
- XSA-239
- x86/HVM: prefill partially used variable on emulation paths
- XSA-240
- x86: limit linear page table use to a single level
- x86/mm: Disable PV linear pagetables by default
- XSA-241
- x86: don't store possibly stale TLB flush time stamp
- XSA-242
- x86: don't allow page_unlock() to drop the last type reference
- XSA-243
- x86: Disable the use of auto-translated PV guestsx86: Disable the use
of auto-translated PV guests
- x86/shadow: Don't create self-linear shadow mappings for 4-level
translated guests
- XSA-244
- x86/cpu: Fix IST handling during PCPU bringup
- XSA-245
- xen/page_alloc: Cover memory unreserved after boot in first_valid_mfn
- xen/arm: Correctly report the memory region in the dummy NUMA helpers
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xen (4.6.5-0ubuntu1.3) xenial-security; urgency=medium
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* Applying Xen Security Advisories:
- XSA-226 / CVE-2017-12135
- gnttab: don't use possibly unbounded tail calls
- gnttab: fix transitive grant handling
- XSA-227 / CVE-2017-12137
- x86/grant: Disallow misaligned PTEs
- XSA-228 / CVE-2017-12136
- gnttab: split maptrack lock to make it fulfill its purpose again
- XSA-230 / CVE-2017-12855
- gnttab: correct pin status fixup for copy
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xen (4.6.5-0ubuntu1.2) xenial-security; urgency=low
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* Applying Xen Security Advisories:
- XSA-217
- x86/mm: disallow page stealing from HVM domains
- XSA-218
- IOMMU: handle IOMMU mapping and unmapping failures
- gnttab: fix unmap pin accounting race
- gnttab: Avoid potential double-put of maptrack entry
- gnttab: correct maptrack table accesses
- XSA-219
- 86/shadow: Hold references for the duration of emulated writes
- XSA-220
- x86: avoid leaking PKRU and BND* between vCPU-s
- XSA-221
- evtchn: avoid NULL derefs
- XSA-222
- xen/memory: Fix return value handing of guest_remove_page()
- guest_physmap_remove_page() needs its return value checked
- XSA-223
- arm: vgic: Don't update the LR when the IRQ is not enabled
- XSA-224
- gnttab: Fix handling of dev_bus_addr during unmap
- gnttab: never create host mapping unless asked to
- gnttab: correct logic to get page references during map requests
- gnttab: __gnttab_unmap_common_complete() is all-or-nothing
- XSA-225
- xen/arm: vgic: Sanitize target mask used to send SGI
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xen (4.6.5-0ubuntu1.1) xenial-security; urgency=low
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* Applying Xen Security Advisories:
- XSA-206
* xenstored: apply a write transaction rate limit
* xenstored: Log when the write transaction rate limit bites
* oxenstored: refactor putting response on wire
* oxenstored: remove some unused parameters
* oxenstored: refactor request processing
* oxenstored: keep track of each transaction's operations
* oxenstored: move functions that process simple operations
* oxenstored: replay transaction upon conflict
* oxenstored: log request and response during transaction replay
* oxenstored: allow compilation prior to OCaml 3.12.0
* oxenstored: comments explaining some variables
* oxenstored: handling of domain conflict-credit
* oxenstored: ignore domains with no conflict-credit
* oxenstored: add transaction info relevant to history-tracking
* oxenstored: support commit history tracking
* oxenstored: only record operations with side-effects in history
* oxenstored: discard old commit-history on txn end
* oxenstored: track commit history
* oxenstored: blame the connection that caused a transaction conflict
* oxenstored: allow self-conflicts
* oxenstored: do not commit read-only transactions
* oxenstored: don't wake to issue no conflict-credit
* oxenstored transaction conflicts: improve logging
* oxenstored: trim history in the frequent_ops function
- CVE-2017-7228 / XSA-212
* memory: properly check guest memory ranges in XENMEM_exchange handling
- XSA-213
* multicall: deal with early exit conditions
- XSA-214
* x86: discard type information when stealing pages
- XSA-215
* x86: correct create_bounce_frame
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xen (4.6.5-0ubuntu1) xenial; urgency=medium
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* Rebasing to upstream stable release 4.6.5 (LP: #1671864)
https://www.xenproject.org/downloads/xen-archives/xen-46-series.html
- Includes fix for booting 4.10 Linux kernels in HVM guests on Intel
hosts which support the TSC_ADJUST MSR (LP: #1671760)
- Additional security relevant changes:
* CVE-2013-2076 / XSA-052 (update)
- Information leak on XSAVE/XRSTOR capable AMD CPUs
* CVE-2016-7093 / XSA-186 (4.6.3 became vulnerable)
- x86: Mishandling of instruction pointer truncation during emulation
* XSA-207
- memory leak when destroying guest without PT devices
- Replacing the following security fixes with the versions from the
stable update:
* CVE-2015-7812 / XSA-145
- arm: Host crash when preempting a multicall
* CVE-2015-7813 / XSA-146
- arm: various unimplemented hypercalls log without rate limiting
* CVE-2015-7814 / XSA-147
- arm: Race between domain destruction and memory allocation decrease
* CVE-2015-7835 / XSA-148
- x86: Uncontrolled creation of large page mappings by PV guests
* CVE-2015-7969 / XSA-149, XSA-151
- leak of main per-domain vcpu pointer array
- x86: leak of per-domain profiling-related vcpu pointer array
* CVE-2015-7970 / XSA-150
- x86: Long latency populate-on-demand operation is not preemptible
* CVE-2015-7971 / XSA-152
- x86: some pmu and profiling hypercalls log without rate limiting
* CVE-2015-7972 / XSA-153
- x86: populate-on-demand balloon size inaccuracy can crash guests
* CVE-2016-2270 / XSA-154
- x86: inconsistent cachability flags on guest mappings
* CVE-2015-8550 / XSA-155
- paravirtualized drivers incautious about shared memory contents
* CVE-2015-5307, CVE-2015-8104 / XSA-156
- x86: CPU lockup during exception delivery
* CVE-2015-8338 / XSA-158
- long running memory operations on ARM
* CVE-2015-8339, CVE-2015-8340 / XSA-159
XENMEM_exchange error handling issues
* CVE-2015-8341 / XSA-160
- libxl leak of pv kernel and initrd on error
* CVE-2015-8555 / XSA-165
- information leak in legacy x86 FPU/XMM initialization
* XSA-166
- ioreq handling possibly susceptible to multiple read issue
* CVE-2016-1570 / XSA-167
- PV superpage functionality missing sanity checks
* CVE-2016-1571 / XSA-168
- VMX: intercept issue with INVLPG on non-canonical address
* CVE-2015-8615 / XSA-169
- x86: unintentional logging upon guest changing callback method
* CVE-2016-2271 / XSA-170
- VMX: guest user mode may crash guest with non-canonical RIP
* CVE-2016-3158, CVE-2016-3159 / XSA-172
- broken AMD FPU FIP/FDP/FOP leak workaround
* CVE-2016-3960 / XSA-173
- x86 shadow pagetables: address width overflow
* CVE-2016-4962 / XSA-175
- Unsanitised guest input in libxl device handling code
* CVE-2016-4480 / XSA-176
- x86 software guest page walk PS bit handling flaw
* CVE-2016-4963 / XSA-178
- Unsanitised driver domain input in libxl device handling
* CVE-2016-5242 / XSA-181
- arm: Host crash caused by VMID exhaustion
* CVE-2016-6258 / XSA-182
- x86: Privilege escalation in PV guests
* CVE-2016-6259 / XSA-183
- x86: Missing SMAP whitelisting in 32-bit exception / event delivery
* CVE-2016-7092 / XSA-185
- x86: Disallow L3 recursive pagetable for 32-bit PV guests
* CVE-2016-7094 / XSA-187
- x86 HVM: Overflow of sh_ctxt->seg_reg[]
* CVE-2016-7777 / XSA-190
- CR0.TS and CR0.EM not always honored for x86 HVM guests
* CVE-2016-9386 / XSA-191
- x86 null segments not always treated as unusable
* CVE-2016-9382 / XSA-192
- x86 task switch to VM86 mode mis-handled
* CVE-2016-9385 / XSA-193
- x86 segment base write emulation lacking canonical address checks
* CVE-2016-9383 / XSA-195
- x86 64-bit bit test instruction emulation broken
* CVE-2016-9377, CVE-2016-9378 / XSA-196
- x86 software interrupt injection mis-handled
* CVE-2016-9379, CVE-2016-9380 / XSA-198
- delimiter injection vulnerabilities in pygrub
* CVE-2016-9932 / XSA-200
- x86 CMPXCHG8B emulation fails to ignore operand size override
* CVE-2016-9815, CVE-2016-9816, CVE-2016-9817, CVE-2016-9818 / XSA-201
- ARM guests may induce host asynchronous abort
* CVE-2016-10024 / XSA-202
- x86 PV guests may be able to mask interrupts
* CVE-2016-10025 / XSA-203
- x86: missing NULL pointer check in VMFUNC emulation
* CVE-2016-10013 / XSA-204
- x86: Mishandling of SYSCALL singlestep during emulation
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xen (4.6.0-1ubuntu4.3) xenial-security; urgency=low
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* Applying Xen Security Advisories:
- CVE-2016-9386 / XSA-191
* x86/hvm: Fix the handling of non-present segments
- CVE-2016-9382 / XSA-192
* x86/HVM: don't load LDTR with VM86 mode attrs during task switch
- CVE-2016-9385 / XSA-193
* x86/PV: writes of %fs and %gs base MSRs require canonical addresses
- CVE-2016-9383 / XSA-195
* x86emul: fix huge bit offset handling
- CVE-2016-9377, CVE-2016-9378 / XSA-196
* x86/emul: Correct the IDT entry calculation in inject_swint()
* x86/svm: Fix injection of software interrupts
- CVE-2016-9379, CVE-2016-9380 / XSA-198
* pygrub: Properly quote results, when returning them to the caller
- CVE-2016-9932 / XSA-200
* x86emul: CMPXCHG8B ignores operand size prefix
- CVE-2016-9815, CVE-2016-9816, CVE-2016-9817, CVE-2016-9818 / XSA.201
* arm64: handle guest-generated EL1 asynchronous abort
* arm64: handle async aborts delivered while at EL2
* arm: crash the guest when it traps on external abort
* arm32: handle async aborts delivered while at HYP
- CVE-2016-10024 / XSA-202
* x86: force EFLAGS.IF on when exiting to PV guests
- CVE-2016-10025 / XSA-203
* x86/HVM: add missing NULL check before using VMFUNC hook
- CVE-2016-10013 / XSA-204
* x86/emul: Correct the handling of eflags with SYSCALL
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xen (4.6.0-1ubuntu4.2) xenial-security; urgency=low
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* Applying Xen Security Advisories:
- CVE-2016-6258 / XSA-182
* x86/pv: Remove unsafe bits from the mod_l?_entry() fastpath
- CVE-2016-6259 / XSA-183
* x86/entry: Avoid SMAP violation in compat_create_bounce_frame()
- CVE-2016-7092 / XSA-185
* x86/32on64: don't allow recursive page tables from L3
- CVE-2016-7094 / XSA-187
* x86/shadow: Avoid overflowing sh_ctxt->seg_reg[]
* x86/segment: Bounds check accesses to emulation ctxt->seg_reg[]
- CVE-2016-7777 / XSA-190
* x86emul: honor guest CR0.TS and CR0.EM
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xen (4.6.0-1ubuntu4.1) xenial-security; urgency=low
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* Applying Xen Security Advisories:
- CVE-2016-3158, CVE-2016-3159 / XSA-172
* x86: fix information leak on AMD CPUs
- CVE-2016-3960 / XSA-173
* x86: limit GFNs to 32 bits for shadowed superpages.
- CVE-2016-4962 / XSA-175
* libxl: Record backend/frontend paths in /libxl/$DOMID
* libxl: Provide libxl__backendpath_parse_domid
* libxl: Do not trust frontend in libxl__devices_destroy
* libxl: Do not trust frontend in libxl__device_nextid
* libxl: Do not trust frontend for disk eject event
* libxl: Do not trust frontend for disk in getinfo
* libxl: Do not trust frontend for vtpm list
* libxl: Do not trust frontend for vtpm in getinfo
* libxl: Do not trust frontend for nic in libxl_devid_to_device_nic
* libxl: Do not trust frontend for nic in getinfo
* libxl: Do not trust frontend for channel in list
* libxl: Do not trust frontend for channel in getinfo
* libxl: Cleanup: Have libxl__alloc_vdev use /libxl
* libxl: Document ~/serial/ correctly
- CVE-2016-4480 / XSA-176
* x86/mm: fully honor PS bits in guest page table walks
- CVE-2016-4963 / XSA-178
* libxl: Make copy of every xs backend in /libxl in _generic_add
* libxl: Do not trust backend in libxl__device_exists
* libxl: Do not trust backend for vtpm in getinfo (except uuid)
* libxl: Do not trust backend for vtpm in getinfo (uuid)
* libxl: cdrom eject and insert: write to /libxl
* libxl: Do not trust backend for disk eject vdev
* libxl: Do not trust backend for disk; fix driver domain disks list
* libxl: Do not trust backend for disk in getinfo
* libxl: Do not trust backend for cdrom insert
* libxl: Do not trust backend for channel in getinfo
* libxl: Rename libxl__device_{nic,channel}_from_xs_be to _from_xenstore
* libxl: Rename READ_BACKEND to READ_LIBXLDEV
* libxl: Have READ_LIBXLDEV use libxl_path rather than be_path
* libxl: Do not trust backend in nic getinfo
* libxl: Do not trust backend for nic in devid_to_device
* libxl: Do not trust backend for nic in list
* libxl: Do not trust backend in channel list
* libxl: Cleanup: use libxl__backendpath_parse_domid in
libxl__device_disk_from_xs_be
* libxl: Fix NULL pointer due to XSA-178 fix wrong XS nodename
- CVE-2016-5242 / XSA-181
* xen/arm: Don't free p2m->first_level in p2m_teardown() before
it has been allocated
Date: Fri, 16 Feb 2018 18:14:41 +0000
Changed-By: Openstack Ubuntu Testing Bot <openstack-testing-bot at ubuntu.com>
Signed-By: Openstack Ubuntu Testing Bot
Published-By: Corey Bryant <corey.bryant at canonical.com>
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