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Package "qemu"

Name: qemu

Description:

fast processor emulator

Latest version: 1:2.5+dfsg-5ubuntu10.48
Release: xenial (16.04)
Level: security
Repository: universe
Homepage: http://www.qemu.org/

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Other versions of "qemu" in Xenial

Repository Area Version
base universe 1:2.5+dfsg-5ubuntu10
base main 1:2.5+dfsg-5ubuntu10
security main 1:2.5+dfsg-5ubuntu10.48
updates main 1:2.5+dfsg-5ubuntu10.48
updates universe 1:2.5+dfsg-5ubuntu10.48

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Changelog

Version: 1:2.5+dfsg-5ubuntu10.48 2020-11-30 14:07:08 UTC

  qemu (1:2.5+dfsg-5ubuntu10.48) xenial-security; urgency=medium

  * SECURITY UPDATE: heap buffer overflow in sdhci_sdma_transfer_multi_blocks()
    - debian/patches/CVE-2020-17380.patch: fix DMA Transfer Block Size
      field in hw/sd/sdhci.c.
    - CVE-2020-17380
    - CVE-2020-25085
  * SECURITY UPDATE: use-after-free via unchecked return value
    - debian/patches/CVE-2020-25084.patch: check return value of
      'usb_packet_map' in hw/usb/hcd-xhci.c.
    - CVE-2020-25084
  * SECURITY UPDATE: out-of-bound access issue
    - debian/patches/CVE-2020-25624.patch: check len and frame_number
      variables in hw/usb/hcd-ohci.c.
    - CVE-2020-25624
  * SECURITY UPDATE: infinite loop when a TD list has a loop
    - debian/patches/CVE-2020-25625.patch: check for processed TD before
      retire in hw/usb/hcd-ohci.c.
    - CVE-2020-25625
  * SECURITY UPDATE: assertion failure through usb_packet_unmap()
    - debian/patches/CVE-2020-25723.patch: check return value of
      'usb_packet_map' in hw/usb/hcd-ehci.c.
    - CVE-2020-25723
  * SECURITY UPDATE: assertion failure
    - debian/patches/CVE-2020-27617.patch: remove an assert call in
      eth_get_gso_type in net/eth.c.
    - CVE-2020-27617

 -- Marc Deslauriers <email address hidden> Fri, 20 Nov 2020 08:19:16 -0500

Source diff to previous version
CVE-2020-17380 heap buffer overflow in sdhci_sdma_transfer_multi_blocks() in hw/sd/sdhci.c
CVE-2020-25085 QEMU 5.0.0 has a heap-based Buffer Overflow in flatview_read_continue in exec.c because hw/sd/sdhci.c mishandles a write operation in the SDHC_BLKSIZ
CVE-2020-25084 QEMU 5.0.0 has a use-after-free in hw/usb/hcd-xhci.c because the usb_packet_map return value is not checked.
CVE-2020-25624 hw/usb/hcd-ohci.c in QEMU 5.0.0 has a stack-based buffer over-read via ...
CVE-2020-25625 hw/usb/hcd-ohci.c in QEMU 5.0.0 has an infinite loop when a TD list has a loop.
CVE-2020-25723 assertion failure through usb_packet_unmap() in hw/usb/hcd-ehci.c
CVE-2020-27617 eth_get_gso_type in net/eth.c in QEMU 4.2.1 allows guest OS users to trigger an assertion failure. A guest can crash the QEMU process via packet data

Version: 1:2.5+dfsg-5ubuntu10.46 2020-09-17 12:06:14 UTC

  qemu (1:2.5+dfsg-5ubuntu10.46) xenial-security; urgency=medium

  * SECURITY UPDATE: out-of-bounds read/write in USB emulator
    - debian/patches/CVE-2020-14364-pre.patch: check RNDIS message length
      in hw/usb/core.c.
    - debian/patches/CVE-2020-14364.patch: fix setup_len init in
      hw/usb/core.c.
    - CVE-2020-14364

 -- Marc Deslauriers <email address hidden> Tue, 15 Sep 2020 10:09:45 -0400

Source diff to previous version
CVE-2020-14364 An out-of-bounds read/write access flaw was found in the USB emulator of the QEMU in versions before 5.2.0. This issue occurs while processing USB pa

Version: 1:2.5+dfsg-5ubuntu10.45 2020-08-19 17:06:18 UTC

  qemu (1:2.5+dfsg-5ubuntu10.45) xenial-security; urgency=medium

  * SECURITY UPDATE: out-of-bounds read and write in sm501
    - debian/patches/CVE-2020-12829-pre0.patch: fix hardware cursor.
    - debian/patches/CVE-2020-12829-pre1.patch: use values from the pitch
      register for 2D operations.
    - debian/patches/CVE-2020-12829-pre2.patch: implement negated
      destination raster operation mode.
    - debian/patches/CVE-2020-12829-pre3.patch: log unimplemented raster
      operation modes.
    - debian/patches/CVE-2020-12829-pre4.patch: fix support for non-zero
      frame buffer start address.
    - debian/patches/CVE-2020-12829-pre5.patch: set updated region dirty
      after 2D operation.
    - debian/patches/CVE-2020-12829-pre6.patch: adjust endianness of pixel
      value in rectangle fill.
    - debian/patches/CVE-2020-12829-pre7.patch: convert printf +
      abort to qemu_log_mask.
    - debian/patches/CVE-2020-12829-pre8.patch: shorten long
      variable names in sm501_2d_operation.
    - debian/patches/CVE-2020-12829-pre9.patch: use BIT(x) macro to
      shorten constant.
    - debian/patches/CVE-2020-12829-pre10.patch: clean up local
      variables in sm501_2d_operation.
    - debian/patches/CVE-2020-12829.patch: replace hand written
      implementation with pixman where possible.
    - debian/patches/CVE-2020-12829-2.patch: optimize small overlapping
      blits.
    - debian/patches/CVE-2020-12829-3.patch: fix bounds checks.
    - debian/patches/CVE-2020-12829-4.patch: drop unneded variable.
    - debian/patches/CVE-2020-12829-5.patch: do not allow guest to set
      invalid format.
    - debian/patches/CVE-2020-12829-6.patch: introduce variable for
      commonly used value for better readability.
    - debian/patches/CVE-2020-12829-7.patch: fix and optimize overlap
      check.
    - CVE-2020-12829
  * SECURITY UPDATE: out-of-bounds read during sdhci_write() operations
    - debian/patches/CVE-2020-13253.patch: do not switch to ReceivingData
      if address is invalid in hw/sd/sd.c.
    - CVE-2020-13253
  * SECURITY UPDATE: out-of-bounds access during es1370_write() operation
    - debian/patches/CVE-2020-13361.patch: check total frame count against
      current frame in hw/audio/es1370.c.
    - CVE-2020-13361
  * SECURITY UPDATE: out-of-bounds read via crafted reply_queue_head
    - debian/patches/CVE-2020-13362-1.patch: use unsigned type for
      reply_queue_head and check index in hw/scsi/megasas.c.
    - debian/patches/CVE-2020-13362-2.patch: avoid NULL pointer dereference
      in hw/scsi/megasas.c.
    - debian/patches/CVE-2020-13362-3.patch: use unsigned type for positive
      numeric fields in hw/scsi/megasas.c.
    - CVE-2020-13362
  * SECURITY UPDATE: NULL pointer dereference related to BounceBuffer
    - debian/patches/CVE-2020-13659.patch: set map length to zero when
      returning NULL in exec.c, include/exec/memory.h.
    - CVE-2020-13659
  * SECURITY UPDATE: out-of-bounds access via msi-x mmio operation
    - debian/patches/CVE-2020-13754-1.patch: revert accepting mismatching
      sizes in memory_region_access_valid in memory.c.
    - debian/patches/CVE-2020-13754-2.patch: accept byte and word access to
      core ACPI registers in hw/acpi/core.c.
    - CVE-2020-13754
  * SECURITY UPDATE: invalid memory copy operation via rom_copy
    - debian/patches/CVE-2020-13765.patch: add extra check to
      hw/core/loader.c.
    - CVE-2020-13765
  * SECURITY UPDATE: buffer overflow in XGMAC Ethernet controller
    - debian/patches/CVE-2020-15863.patch: check bounds in hw/net/xgmac.c.
    - CVE-2020-15863

 -- Marc Deslauriers <email address hidden> Tue, 11 Aug 2020 14:48:43 -0400

Source diff to previous version
CVE-2020-13253 sd_wp_addr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci_write() operations. A guest OS
CVE-2020-13361 In QEMU 5.0.0 and earlier, es1370_transfer_audio in hw/audio/es1370.c does not properly validate the frame count, which allows guest OS users to trig
CVE-2020-13362 In QEMU 5.0.0 and earlier, megasas_lookup_frame in hw/scsi/megasas.c has an out-of-bounds read via a crafted reply_queue_head field from a guest OS u
CVE-2020-13659 address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.
CVE-2020-13754 hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.
CVE-2020-13765 rom_copy() in hw/core/loader.c in QEMU 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid m
CVE-2020-15863 hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects t

Version: 1:2.5+dfsg-5ubuntu10.44 2020-05-21 18:06:33 UTC

  qemu (1:2.5+dfsg-5ubuntu10.44) xenial-security; urgency=medium

  * SECURITY UPDATE: memory leak in zrle_compress_data
    - debian/patches/ubuntu/CVE-2019-20382.patch: fix memory leak when vnc
      disconnect in ui/vnc-enc-tight.c, ui/vnc-enc-zrle.inc.c, ui/vnc.c,
      ui/vnc.h.
    - CVE-2019-20382
  * SECURITY UPDATE: use-after-free in ip_reass()
    - debian/patches/ubuntu/CVE-2020-1983.patch: fix buffer handling in
      slirp/ip_input.c.
    - CVE-2020-1983

 -- Marc Deslauriers <email address hidden> Thu, 14 May 2020 08:58:54 -0400

Source diff to previous version
CVE-2019-20382 QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a sit
CVE-2020-1983 A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.

Version: 1:2.5+dfsg-5ubuntu10.43 2020-02-18 17:07:39 UTC

  qemu (1:2.5+dfsg-5ubuntu10.43) xenial-security; urgency=medium

  * SECURITY UPDATE: OOB heap access via unexpected iSCSI Server response
    - debian/patches/CVE-2020-1711.patch: cap block count from GET LBA
      STATUS in block/iscsi.c.
    - CVE-2020-1711
  * SECURITY UPDATE: heap-based overflow in slirp networking
    - debian/patches/CVE-2020-7039-1.patch: fix oob issue in
      slirp/tcp_subr.c.
    - debian/patches/CVE-2020-7039-2.patch: use correct size while
      emulating IRC commands in slirp/tcp_subr.c.
    - debian/patches/CVE-2020-7039-3.patch: use correct size while
      emulating commands in slirp/tcp_subr.c.
    - CVE-2020-7039
  * SECURITY UPDATE: buffer overflow via incorrect snprintf return codes
    - debian/patches/CVE-2020-8608-1.patch: add slirp_fmt() helpers to
      slirp/slirp.c, slirp/slirp.h.
    - debian/patches/CVE-2020-8608-2.patch: fix unsafe snprintf() usages in
      slirp/tcp_subr.c.
    - CVE-2020-8608

 -- Marc Deslauriers <email address hidden> Thu, 13 Feb 2020 07:06:36 -0500

CVE-2020-1711 An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming f
CVE-2020-7039 tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a h
CVE-2020-8608 In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c misuses snprintf return values, leading to a buffer overflow in later code.



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