ubuntu/+source/xen:ubuntu/trusty-security

Last commit made on 2017-10-16
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Branch information

Name:
ubuntu/trusty-security
Repository:
lp:ubuntu/+source/xen

Recent commits

fabd032... by Stefan Bader on 2017-10-11

Import patches-unapplied version 4.4.2-0ubuntu0.14.04.14 to ubuntu/trusty-security

Imported using git-ubuntu import.

Changelog parent: 19efe9910b56848f4ce309c251e892a857056fad

New changelog entries:
  * Applying Xen Security Advisories:
    - CVE-2017-14316 / XSA-231
      - xen/mm: make sure node is less than MAX_NUMNODES
    - 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/MSI: fix error handling
      - x86/IRQ: conditionally preserve irq <-> pirq mapping on map error
        paths
      - x86/FLASK: fix unmap-domain-IRQ XSM hook
    - 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
  * 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-230 / CVE-2017-12855
      - gnttab: correct pin status fixup for copy

19efe99... by Stefan Bader on 2017-07-04

Import patches-unapplied version 4.4.2-0ubuntu0.14.04.12 to ubuntu/trusty-security

Imported using git-ubuntu import.

Changelog parent: 08b0a2fd61a300719e7e3247877c73a2856d6fe4

New changelog entries:
  * 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-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-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

08b0a2f... by Stefan Bader on 2017-05-09

Import patches-unapplied version 4.4.2-0ubuntu0.14.04.11 to ubuntu/trusty-security

Imported using git-ubuntu import.

Changelog parent: d7c0dd4cf70080f8fa39b831a27c0d23ecd811f0

New changelog entries:
  * Applying Xen Security Advisories:
    - XSA-206
      * xenstored: apply a write transaction rate limit
      * xenstored: Log when the write transaction rate limit bites
      * oxenstored: exempt dom0 from domU node quotas
      * oxenstored: perform a 3-way merge of the quota after a transaction
      * oxenstored: catch the error when a connection is already deleted
      * oxenstored: use hash table to store socket connections
      * oxenstored: enable domain connection indexing based on eventchn port
      * oxenstored: only process domain connections that notify us by events
      * oxenstored: add a safe net mechanism for existing ill-behaved clients
      * 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
    - XSA-207
      * IOMMU: always call teardown callback
    - CVE-2017-2615 / XSA-208
      * CVE-2014-8106: cirrus: fix blit region check
      * cirrus: fix oob access issue (CVE-2017-2615)
    - CVE-2017-2620 / XSA-209
      * cirrus: add blit_is_unsafe call to cirrus_bitblt_cputovideo
    - CVE-2016-9603 / XSA-211
      * cirrus/vnc: zap drop bitblit support from console code.
    - 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

d7c0dd4... by Stefan Bader on 2017-03-14

Import patches-unapplied version 4.4.2-0ubuntu0.14.04.10 to ubuntu/trusty-proposed

Imported using git-ubuntu import.

Changelog parent: 6b7754924f372d11d29c1fd7dba1fd94e3385d32

New changelog entries:
  * Backport upstream change to fix TSC_ADJUST MSR handling in HVM
    guests running on Intel based hosts (LP: #1671760)

6b77549... by Stefan Bader on 2017-01-10

Import patches-unapplied version 4.4.2-0ubuntu0.14.04.9 to ubuntu/trusty-security

Imported using git-ubuntu import.

Changelog parent: 4af49013aa9a3124e90249736d18c2ac77b7bc3a

New changelog entries:
  * 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-2016-9381 / XSA-197
      * xen: fix ioreq handling
    - CVE-2016-9379, CVE-2016-9380 / XSA-198
      * pygrub: Properly quote results, when returning them to the caller
    - CVE-2016-9637 / XSA-199
      * qemu: ioport_read, ioport_write: be defensive about 32-bit addresses
    - 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-2016-10013 / XSA-204
      * x86/emul: Correct the handling of eflags with SYSCALL

4af4901... by Stefan Bader on 2016-10-06

Import patches-unapplied version 4.4.2-0ubuntu0.14.04.7 to ubuntu/trusty-security

Imported using git-ubuntu import.

Changelog parent: 1c80a08e95d4edc8dcb0b5815564652c2c3dbb5b

New changelog entries:
  * Applying Xen Security Advisories:
    - CVE-2016-6258 / XSA-182
      * x86/pv: Remove unsafe bits from the mod_l?_entry() fastpath
    - CVE-2016-5403 / XSA-184
      * virtio: error out if guest exceeds virtqueue size
    - 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-2016-7154 / XSA-188
      * evtchn-fifo: prevent use after free
    - CVE-2016-7777 / XSA-190
      * x86emul: honor guest CR0.TS and CR0.EM

1c80a08... by Stefan Bader on 2016-06-06

Import patches-unapplied version 4.4.2-0ubuntu0.14.04.6 to ubuntu/trusty-security

Imported using git-ubuntu import.

Changelog parent: fc4f9d378cd9644e10c19e4e90c53b513d7ea49a

New changelog entries:
  * 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: 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: 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: 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: 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-2016-3710 / XSA-179 (qemu traditional)
      * vga: fix banked access bounds checking
      * vga: add vbe_enabled() helper
      * vga: factor out vga register setup
      * vga: update vga register setup on vbe changes
      * vga: make sure vga register setup for vbe stays intact
    - CVE-2014-3672 / XSA-180 (qemu traditional)
      * main loop: Big hammer to fix logfile disk DoS in Xen setups
    - CVE-2016-5242 / XSA-181
      * xen/arm: Don't free p2m->first_level in p2m_teardown() before
                 it has been allocated

fc4f9d3... by Stefan Bader on 2016-02-23

Import patches-unapplied version 4.4.2-0ubuntu0.14.04.5 to ubuntu/trusty-security

Imported using git-ubuntu import.

Changelog parent: 6f96d29969e741ea07cca1c78020864bd705821e

New changelog entries:
  * Applying Xen Security Advisories:
    - CVE-2016-2270 / XSA-154
      * x86: enforce consistent cachability of MMIO mappings
    - CVE-2016-1570 / XSA-167
      * x86/mm: PV superpage handling lacks sanity checks
    - CVE-2016-1571 / XSA-168
      * x86/VMX: prevent INVVPID failure due to non-canonical guest address
    - CVE-2015-8615 / XSA-169
      * x86: make debug output consistent in hvm_set_callback_via
    - CVE-2016-2271 / XSA-170
      * x86/VMX: sanitize rIP before re-entering guest

6f96d29... by Stefan Bader on 2015-12-16

Import patches-unapplied version 4.4.2-0ubuntu0.14.04.4 to ubuntu/trusty-security

Imported using git-ubuntu import.

Changelog parent: d430f7218990cccb18e0819bae239b4cc0bf436a

New changelog entries:
  * Applying Xen Security Advisories:
    - CVE-2015-8550 / XSA-155
      * blkif: Avoid double access to src->nr_segments
      * xenfb: avoid reading twice the same fields from the shared page
      * xen: Add RING_COPY_REQUEST()
      * blktap2: Use RING_COPY_REQUEST
      * libvchan: Read prod/cons only once.
    - CVE-2015-8338 / XSA-158
      * memory: split and tighten maximum order permitted in memops
    - CVE-2015-8339, CVE-2015-8340 / XSA-159
      * memory: fix XENMEM_exchange error handling
    - CVE-2015-8341 / XSA-160
      * libxl: Fix bootloader-related virtual memory leak on pv
        build failure
    - CVE-2015-7504 / XSA-162
      * net: pcnet: add check to validate receive data size
    - CVE-2015-8554 / XSA-164
      * MSI-X: avoid array overrun upon MSI-X table writes
    - CVE-2015-8555 / XSA-165
      * x86: don't leak ST(n)/XMMn values to domains first using them
    - CVE-2015-???? / XSA-166
      * x86/HVM: avoid reading ioreq state more than once

d430f72... by Stefan Bader on 2015-11-03

Import patches-unapplied version 4.4.2-0ubuntu0.14.04.3 to ubuntu/trusty-security

Imported using git-ubuntu import.

Changelog parent: 63caef75456ad032dc48a7ac66a093485c390a99

New changelog entries:
  * Applying Xen Security Advisories:
    - CVE-2015-7311 / XSA-142
      * libxl: handle read-only drives with qemu-xen
    - CVE-2015-7812 / XSA-145
      * xen/arm: Support hypercall_create_continuation for multicall
    - CVE-2015-7813 / XSA-146
      * xen: arm: rate-limit logging from unimplemented PHYSDEVOP and HVMOP.
    - CVE-2015-7814 / XSA-147
      * xen: arm: handle races between relinquish_memory and
        free_domheap_pages
    - CVE-2015-7835 / XSA-148
      * x86: guard against undue super page PTE creation
    - CVE-2015-7969 / XSA-149
      * xen: free domain's vcpu array
    - CVE-2015-7970 / XSA-150
      * x86/PoD: Eager sweep for zeroed pages
    - CVE-2015-7969 / XSA-151
      * xenoprof: free domain's vcpu array
    - CVE-2015-7971 / XSA-152
      * x86: rate-limit logging in do_xen{oprof,pmu}_op()
    - CVE-2015-7972 / XSA-153
      * libxl: adjust PoD target by memory fudge, too
    - CVE-2015-5307 / XSA-156
      * x86/HVM: always intercept #AC and #DB