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Package "qemu"

Name: qemu

Description:

fast processor emulator
Latest version: 1:2.11+dfsg-1ubuntu7.42
Release: bionic (18.04)
Level: updates
Repository: universe
Homepage: http://www.qemu.org/

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base main 1:2.11+dfsg-1ubuntu7
base universe 1:2.11+dfsg-1ubuntu7
security main 1:2.11+dfsg-1ubuntu7.41
security universe 1:2.11+dfsg-1ubuntu7.41
updates main 1:2.11+dfsg-1ubuntu7.42

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Changelog

Version: 1:2.11+dfsg-1ubuntu7.37 2021-07-15 19:06:27 UTC

  qemu (1:2.11+dfsg-1ubuntu7.37) bionic-security; urgency=medium

  * SECURITY UPDATE: NULL pointer dereference in MemoryRegionOps object
    - debian/patches/CVE-2020-15469-1.patch: add pci-intack write method in
      hw/pci-host/prep.c.
    - debian/patches/CVE-2020-15469-3.patch: add quirk device write method
      in hw/vfio/pci-quirks.c.
    - debian/patches/CVE-2020-15469-4.patch: add ppc-parity write method in
      hw/ppc/prep_systemio.c.
    - debian/patches/CVE-2020-15469-6.patch: add spapr msi read method in
      hw/ppc/spapr_pci.c.
    - CVE-2020-15469
  * SECURITY UPDATE: NULL pointer dereference flaw in SCSI emulation
    - debian/patches/CVE-2020-35504.patch: always check current_req is not
      NULL before use in DMA callbacks in hw/scsi/esp.c.
    - CVE-2020-35504
  * SECURITY UPDATE: NULL pointer dereference flaw in am53c974 SCSI
    - debian/patches/CVE-2020-35505.patch: ensure cmdfifo is not empty and
      current_dev is non-NULL in hw/scsi/esp.c.
    - CVE-2020-35505
  * SECURITY UPDATE: use-after-free flaw was found in the MegaRAID emulator
    - debian/patches/CVE-2021-3392.patch: Remove unused MPTSASState pending
      field in hw/scsi/mptsas.c, hw/scsi/mptsas.h.
    - CVE-2021-3392
  * SECURITY UPDATE: out-of-bounds read/write in SDHCI controller emulation
    - debian/patches/CVE-2021-3409-1.patch: don't transfer any data when
      command time out in hw/sd/sdhci.c.
    - debian/patches/CVE-2021-3409-2.patch: don't write to SDHC_SYSAD
      register when transfer is in progress in hw/sd/sdhci.c.
    - debian/patches/CVE-2021-3409-3.patch: correctly set the controller
      status for ADMA in hw/sd/sdhci.c.
    - debian/patches/CVE-2021-3409-4.patch: limit block size only when
      SDHC_BLKSIZE register is writable in hw/sd/sdhci.c.
    - debian/patches/CVE-2021-3409-5.patch: reset the data pointer of
      s->fifo_buffer[] when a different block size is programmed in
      hw/sd/sdhci.c.
    - CVE-2021-3409
  * SECURITY UPDATE: stack overflow via infinite loop issue in various NIC
    - debian/patches/CVE-2021-3416-1.patch: introduce qemu_receive_packet()
      in include/net/net.h, include/net/queue.h, net/net.c, net/queue.c.
    - debian/patches/CVE-2021-3416-2.patch: switch to use
      qemu_receive_packet() for loopback in hw/net/e1000.c.
    - debian/patches/CVE-2021-3416-3.patch: switch to use
      qemu_receive_packet() for loopback packet in hw/net/dp8393x.c.
    - debian/patches/CVE-2021-3416-5.patch: switch to use
      qemu_receive_packet() for loopback in hw/net/sungem.c.
    - debian/patches/CVE-2021-3416-6.patch: switch to use
      qemu_receive_packet_iov() for loopback in hw/net/net_tx_pkt.c.
    - debian/patches/CVE-2021-3416-7.patch: switch to use
      qemu_receive_packet() for loopback in hw/net/rtl8139.c.
    - debian/patches/CVE-2021-3416-8.patch: switch to use
      qemu_receive_packet() for loopback in hw/net/pcnet.c.
    - debian/patches/CVE-2021-3416-9.patch: switch to use
      qemu_receive_packet() for loopback in hw/net/cadence_gem.c.
    - debian/patches/CVE-2021-3416-10.patch: switch to use
      qemu_receive_packet() for loopback in hw/net/lan9118.c.
    - CVE-2021-3416
  * SECURITY UPDATE: DoS in USB redirector device
    - debian/patches/CVE-2021-3527-1.patch: avoid dynamic stack allocation
      in hw/usb/redirect.c.
    - debian/patches/CVE-2021-3527-2.patch: limit combined packets to 1 MiB
      in hw/usb/combined-packet.c.
    - CVE-2021-3527
  * SECURITY UPDATE: out-of-bounds access issue in ARM Generic Interrupt
    Controller
    - debian/patches/CVE-2021-20221.patch: fix interrupt ID in GICD_SGIR
      register in hw/intc/arm_gic.c.
    - CVE-2021-20221
  * SECURITY UPDATE: infinite loop while processing transmit descriptors
    - debian/patches/CVE-2021-20257.patch: fail early for evil descriptor
      in hw/net/e1000.c.
    - CVE-2021-20257
  * SECURITY UPDATE: data leak in bootp_input()
    - debian/patches/CVE-2021-3592-pre1.patch: add sanity check for str
      option length to slirp/bootp.c.
    - debian/patches/CVE-2021-3592-1.patch: add mtod_check() to
      slirp/mbuf.*.
    - debian/patches/CVE-2021-3592-2.patch: limit vendor-specific area to
      input packet memory buffer in slirp/bootp.*, slirp/mbuf.*.
    - debian/patches/CVE-2021-3592-3.patch: check bootp_input buffer size
      in slirp/bootp.c.
    - debian/patches/CVE-2021-3592-4.patch: fix regression in dhcp in
      slirp/bootp.c.
    - CVE-2021-3592
  * SECURITY UPDATE: data leak in udp6_input()
    - debian/patches/CVE-2021-3593.patch: check udp6_input buffer size in
      slirp/udp6.c.
    - CVE-2021-3593
  * SECURITY UPDATE: data leak in udp_input()
    - debian/patches/CVE-2021-3594.patch: check upd_input buffer size in
      slirp/udp.c.
    - CVE-2021-3594
  * SECURITY UPDATE: data leak in tftp_input()
    - debian/patches/CVE-2021-3595-1.patch: check tftp_input buffer size in
      slirp/tftp.c.
    - debian/patches/CVE-2021-3595-2.patch: introduce a header structure in
      slirp/tftp.*.
    - CVE-2021-3595

 -- Marc Deslauriers <email address hidden> Tue, 13 Jul 2021 07:51:34 -0400
Source diff to previous version
CVE-2020-15469 In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.
CVE-2020-35504 A NULL pointer dereference flaw was found in the SCSI emulation support of QEMU in versions before 6.0.0. This flaw allows a privileged guest user to
CVE-2020-35505 A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while h
CVE-2021-3392 A use-after-free flaw was found in the MegaRAID emulator of QEMU. This issue occurs while processing SCSI I/O requests in the case of an error mptsas
CVE-2021-3409 The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues pr
CVE-2021-3416 A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs
CVE-2021-3527 A flaw was found in the USB redirector device (usb-redir) of QEMU. Small USB packets are combined into a single, large transfer request, to reduce th
CVE-2021-20221 An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64
CVE-2021-20257 net: e1000: infinite loop while processing transmit descriptors
CVE-2021-3592 An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootp_input() function and c
CVE-2021-3593 An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6_input() function and co
CVE-2021-3594 An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp_input() function and cou
CVE-2021-3595 An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the tftp_input() function and co

Version: 1:2.11+dfsg-1ubuntu7.36 2021-02-22 18:06:24 UTC

  qemu (1:2.11+dfsg-1ubuntu7.36) bionic-security; urgency=medium

  * SECURITY REGRESSION: fix multiple regressions caused by CVE-2020-13754
    security update (LP: #1914883)
    - debian/patches/CVE-2020-13754-3.patch: log invalid memory accesses in
      memory.c.
    - debian/patches/CVE-2020-13754-5.patch: allow 64-bit accesses in
      hw/timer/slavio_timer.c.
    - debian/patches/CVE-2020-13754-6.patch: allow less than 32-bit
      accesses in hw/char/bcm2835_aux.c.
    - debian/patches/CVE-2020-13754-9.patch: fix valid.max_access_size to
      access address registers in hw/usb/hcd-xhci.c.

 -- Marc Deslauriers <email address hidden> Wed, 10 Feb 2021 08:37:38 -0500
Source diff to previous version
1914883 hart0: trap handler failed (error -2) (Needs cherry-pick ab3d207f)
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.

Version: 1:2.11+dfsg-1ubuntu7.35 2021-02-08 15:07:32 UTC

  qemu (1:2.11+dfsg-1ubuntu7.35) bionic-security; urgency=medium

  * SECURITY UPDATE: heap overread in iscsi_aio_ioctl_cb
    - debian/patches/CVE-2020-11947.patch: fix heap-buffer-overflow in
      block/iscsi.c.
    - CVE-2020-11947
  * SECURITY UPDATE: use-after-free in e1000e
    - debian/patches/CVE-2020-15859.patch: forbid the reentrant RX in
      net/queue.c.
    - CVE-2020-15859
  * SECURITY UPDATE: infinite loop in e1000e
    - debian/patches/CVE-2020-28916.patch: advance desc_offset in case of
      null descriptor in hw/net/e1000e_core.c.
    - CVE-2020-28916
  * SECURITY UPDATE: out of bounds read in atapi
    - debian/patches/CVE-2020-29443-1.patch: assert that the buffer pointer
      is in range in hw/ide/atapi.c.
    - debian/patches/CVE-2020-29443-2.patch: check logical block address
      and read size in hw/ide/atapi.c.
    - CVE-2020-29443
  * SECURITY UPDATE: use after free in 9p
    - debian/patches/CVE-2021-20181.patch: fully restart unreclaim loop in
      hw/9pfs/9p.c.
    - CVE-2021-20181

 -- Marc Deslauriers <email address hidden> Wed, 03 Feb 2021 12:46:34 -0500
Source diff to previous version
CVE-2020-11947 iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an
CVE-2020-15859 QEMU 4.2.0 has a use-after-free in hw/net/e1000e_core.c because a guest OS user can trigger an e1000e packet with the data's address set to the e1000
CVE-2020-28916 hw/net/e1000e_core.c in QEMU 5.0.0 has an infinite loop via an RX descriptor with a NULL buffer address.
CVE-2020-29443 ide_atapi_cmd_reply_end in hw/ide/atapi.c in QEMU 5.1.0 allows out-of-bounds read access because a buffer index is not validated.
CVE-2021-20181 9pfs: Fully restart unreclaim loop

Version: 1:2.11+dfsg-1ubuntu7.34 2020-11-30 16:06:23 UTC

  qemu (1:2.11+dfsg-1ubuntu7.34) bionic-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 08:15:55 -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: 1:2.11+dfsg-1ubuntu7.33 2020-11-05 12:06:20 UTC

  qemu (1:2.11+dfsg-1ubuntu7.33) bionic; urgency=medium

  * d/p/u/lp-1894942-*: fix virtio-ccw host/guest notification (LP: #1894942)

 -- Christian Ehrhardt <email address hidden> Mon, 21 Sep 2020 15:39:32 +0200
1894942 [UBUNTU 20.04] Lost virtio host --\u003e guest notifications cause devices to cease normal operation


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