lp:ubuntu/precise-security/xen
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- 36. By Stefan Bader
-
* Applying Xen Security Advisories
- CVE-2013-2194, CVE-2013-2195, CVE-2013-2196 / XSA55
* libelf: abolish libelf-relocate.c
* libxc: introduce xc_dom_seg_to_ ptr_pages
* libxc: Fix range checking in xc_dom_pfn_to_ptr etc.
* libelf: abolish elf_sval and elf_access_signed
* libelf/xc_dom_ load_elf_ symtab: Do not use "syms" uninitialised
* libelf: introduce macros for memory access and pointer handling
* tools/xcutils/readnotes: adjust print_l1_ mfn_valid_ note
* libelf: check nul-terminated strings properly
* libelf: check all pointer accesses
* libelf: Check pointer references in elf_is_elfbinary
* libelf: Make all callers call elf_check_broken
* libelf: use C99 bool for booleans
* libelf: use only unsigned integers
* libxc: Introduce xc_bitops.h
* libelf: check loops for running away
* libelf: abolish obsolete macros
* libxc: Add range checking to xc_dom_binloader
* libxc: check failure of xc_dom_*_to_ptr, xc_map_foreign_ range
* libxc: check return values from malloc
* libxc: range checks in xc_dom_p2m_host and _guest
* libxc: check blob size before proceeding in xc_dom_check_gzip
- CVE-XXXX-XXXX / XSA57
* libxl: Restrict permissions on PV console device xenstore nodes - 35. By Stefan Bader
-
* Applying Xen Security Advisories:
- CVE-2013-1918 / XSA-45
* x86: make vcpu_destroy_pagetables( ) preemptible
* x86: make new_guest_cr3() preemptible
* x86: make MMUEXT_NEW_USER_ BASEPTR preemptible
* x86: make vcpu_reset() preemptible
* x86: make arch_set_info_guest( ) preemptible
* x86: make page table unpinning preemptible
* x86: make page table handling error paths preemptible
- CVE-2013-1952 / XSA-49
* VT-d: don't permit SVT_NO_VERIFY entries for known device types
- CVE-2013-1964 / XSA-50
* Fix rcu domain locking for transitive grants
- CVE-2013-2076 / XSA-52
* x86/xsave: fix information leak on AMD CPUs
- CVE-2013-2077 / XSA-53
* x86/xsave: recover from faults on XRSTOR
- CVE-2013-2078 / XSA-54
* x86/xsave: properly check guest input to XSETBV
- CVE-2013-2072 / XSA-56
* libxc: limit cpu values when setting vcpu affinity - 34. By Stefan Bader
-
* Applying Xen Security Advisories:
- CVE-2013-1917 / XSA-44
x86: clear EFLAGS.NT in SYSENTER entry path
- CVE-2013-1919 / XSA-46
x86: fix various issues with handling guest IRQs
- CVE-2013-1920 / XSA-47
defer event channel bucket pointer store until after XSM checks - 33. By Stefan Bader
-
* Applying Xen Security Advisories:
- ACPI: acpi_table_parse() should return handler's error code
CVE-2013-0153 / XSA-36
- oxenstored incorrect handling of certain Xenbus ring states
CVE-2013-0215 / XSA-38
* xen-introduce-xzalloc. patch
Cherry-picked from upstream xen stable-4.1 as prerequisite for XSA-36
* xen-backport-per-device- vector- map.patch
Cherry-picked from upstream xen stable-4.1 as prerequisite for XSA-36
Also fixes issues on AMD systems which could cause Dom0 to loose disks
under heavy I/O (because PCI-E devices could use the same IOAPIC vector
as the SMBus). - 32. By Stefan Bader
-
* Applying Xen Security Advisory:
- VT-d: fix interrupt remapping source validation for devices behind
legacy bridges
CVE-2012-5634
* Applying qemu security fixes:
- e1000: Discard packets that are too long if !SBP and !LPE
CVE-2012-6075
- Discard packets longer than 16384 when !SBP to match the hardware
behavior.
CVE-2012-6075 - 31. By Marc Deslauriers
-
* SECURITY UPDATE: denial of service via MMIO regions
- debian/patches/ CVE-2012- 3432.patch: don't leave emulator in an
inconsistent state in xen/arch/x86/hvm/ io.c.
- CVE-2012-3432
* SECURITY UPDATE: denial of service via excessive shared page search
time during the p2m teardown
- debian/patches/ CVE-2012- 3433.patch: only check for shared pages while
any exist on teardown in xen/arch/x86/mm/ p2m.c.
- CVE-2012-3433
* SECURITY UPDATE: denial of service via DR7 reserved bits
- debian/patches/ CVE-2012- 3494.patch: write upper 32 bits as zeros in
xen/include/ asm-x86/ debugreg. h.
- CVE-2012-3494
* SECURITY UPDATE: denial of service and possible privilege escalation
via physdev_get_free_ pirq hypercall.
- debian/patches/ CVE-2012- 3495.patch: handle out-of-pirq condition
correctly in xen/arch/x86/physdev. c.
- CVE-2012-3495
* SECURITY UPDATE: denial of service via via invalid flags
- debian/patches/ CVE-2012- 3496.patch: Don't BUG_ON() PoD operations on
a non-translated guest in xen/arch/x86/mm/ p2m.c.
- CVE-2012-3496
* SECURITY UPDATE: denial of service and possibly hypervisor memory
disclosure via PHYSDEVOP_map_pirq
- debian/patches/ CVE-2012- 3498.patch: add validation before using in
xen/arch/x86/ physdev. c.
- CVE-2012-3498
* SECURITY UPDATE: privilege escalation via crafted escape VT100 sequence
- debian/patches/ CVE-2012- 3515.patch: bounds check whenever changing
the cursor due to an escape code in qemu/console.c.
- CVE-2012-3515
* SECURITY UPDATE: host info disclosure via qemu monitor
- debian/patches/ CVE-2012- 4411.patch: disable qemu monitor by default
in qemu/vl.c.
- CVE-2012-4411 - 30. By Stefan Bader
-
* Applying Xen Security fixes (LP: #1086801, #1086875)
- VCPU/timers: Prevent overflow in calculations, leading to DoS
vulnerability
CVE-2012-4535
- x86/physdev: Range check pirq parameter from guests
CVE-2012-4536
- x86/physmap: Prevent incorrect updates of m2p mappings
CVE-2012-4537
- xen/mm/shadow: check toplevel pagetables are present before unhooking
them
CVE-2012-4538
- compat/gnttab: Prevent infinite loop in compat code
CVE-2012-4539
- libxc: builder: limit maximum size of kernel/ramdisk
CVE-2012-4544
- gnttab: fix releasing of memory upon switches between versions
CVE-2012-5510
- hvm: Limit the size of large HVM op batches
CVE-2012-5511
- x86/HVM: range check xen_hvm_set_mem_ access. hvmmem_ access before use
CVE-2012-5512
- xen: add missing guest address range checks to XENMEM_exchange handlers
CVE-2012-5513
- xen: fix error handling of guest_physmap_mark_populate_ on_demand( )
CVE-2012-5514
- memop: limit guest specified extent order
CVE-2012-5515 - 29. By Stefan Bader
-
* x86-64: detect processors subject to AMD erratum #121 and refuse to boot
CVE-2006-0744
* x86_64: Do not execute sysret with a non-canonical return address
CVE-2012-0218
* x86-64: fix #GP generation in assembly code
CVE-2012-0217 - 27. By Chuck Short
-
* Merge from Debian testing. Remaining changes:
- libxenstore3.0: Conflict and replaces libxen3.
- libxen-dev: Conflict and replaces libxen3-dev.
- xenstore-utils: Conflict and replaces libxen3.
- xen-utils-4.1: Conflict and replaces libxen3, python-xen-3.3,
and xen-utils-4.1.
- Make sure the LDFLAGS value passed is suitable for use by ld
rather than gcc.
- Dropped:
- debian/patches/ upstream- 23044:d4ca456c0 c25
- debian/patches/ upstream- 23104:1976adbf2 b80
- debian/patches/ upstream- changeset- 23146.patch
- debian/patches/ upstream- changeset- 23147.patch
- debian/patches/ xen-pirq- resubmit- irq.patch
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- Branch format 7
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- lp:ubuntu/quantal/xen