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Package "qemu"

Name: qemu

Description:

This package is just an umbrella for a group of other packages, it has no description.
Description samples from packages in group:

  • Guest-side qemu-system agent
  • QEMU minimized system emulation binaries (x86)
  • QEMU full system emulation binaries (x86)
  • QEMU user mode emulation binaries
Latest version: 1:4.2-3ubuntu6.30
Release: focal (20.04)
Level: security
Repository: universe

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Other versions of "qemu" in Focal

Repository Area Version
base main 1:4.2-3ubuntu6
security main 1:4.2-3ubuntu6.30
updates main 1:4.2-3ubuntu6.30
updates universe 1:4.2-3ubuntu6.30

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Changelog

Version: 1:4.2-3ubuntu6.23 2022-06-21 16:06:29 UTC

  qemu (1:4.2-3ubuntu6.23) focal-security; urgency=medium

  * SECURITY UPDATE: heap overflow in floppy disk emulator
    - debian/patches/CVE-2021-3507.patch: prevent end-of-track overrun in
      hw/block/fdc.c.
    - CVE-2021-3507
  * SECURITY UPDATE: integer overflow in QXL display device emulation
    - debian/patches/CVE-2021-4206.patch: check width and height in
      hw/display/qxl-render.c, hw/display/vmware_vga.c, ui/cursor.c.
    - CVE-2021-4206
  * SECURITY UPDATE: heap overflow in QXL display device emulation
    - debian/patches/CVE-2021-4207.patch: fix race condition in qxl_cursor
      in hw/display/qxl-render.c.
    - CVE-2021-4207
  * SECURITY UPDATE: memory leakage in virtio-net device
    - debian/patches/CVE-2022-26353.patch: fix map leaking on error during
      receive in hw/net/virtio-net.c.
    - CVE-2022-26353
  * SECURITY UPDATE: memory leakage in vhost-vsock device
    - debian/patches/CVE-2022-26354.patch: detach the virqueue element in
      case of error in hw/virtio/vhost-vsock.c.
    - CVE-2022-26354

 -- Marc Deslauriers <email address hidden> Thu, 09 Jun 2022 11:35:04 -0400
Source diff to previous version
CVE-2021-3507 A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block
CVE-2021-4206 A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a smal
CVE-2021-4207 A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor->header.width` and `cursor->header.he
CVE-2022-26353 A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the c
CVE-2022-26354 A flaw was found in the vhost-vsock device of QEMU. In case of error, an invalid element was not detached from the virtqueue before freeing its memor

Version: 1:4.2-3ubuntu6.21 2022-02-28 14:07:14 UTC

  qemu (1:4.2-3ubuntu6.21) focal-security; urgency=medium

  * SECURITY UPDATE: crash or code exec in USB redirector device emulation
    - debian/patches/CVE-2021-3682.patch: fix free call in
      hw/usb/redirect.c.
    - CVE-2021-3682
  * SECURITY UPDATE: heap use-after-free in virtio_net_receive_rcu
    - debian/patches/CVE-2021-3748.patch: fix use after unmap/free for sg
      in hw/net/virtio-net.c.
    - CVE-2021-3748
  * SECURITY UPDATE: off-by-one error in mode_sense_page()
    - debian/patches/CVE-2021-3930.patch: MODE_PAGE_ALLS not allowed in
      MODE SELECT commands in hw/scsi/scsi-disk.c.
    - CVE-2021-3930
  * SECURITY UPDATE: NULL dereference in floppy disk emulator
    - debian/patches/CVE-2021-20196-1.patch: Extract
      blk_create_empty_drive() in hw/block/fdc.c.
    - debian/patches/CVE-2021-20196-2.patch: kludge missing floppy drive in
      hw/block/fdc.c.
    - CVE-2021-20196
  * SECURITY UPDATE: integer overflow in vmxnet3 NIC emulator
    - debian/patches/CVE-2021-20203.patch: validate configuration values
      during activate in hw/net/vmxnet3.c.
    - CVE-2021-20203

 -- Marc Deslauriers <email address hidden> Tue, 22 Feb 2022 12:44:44 -0500
Source diff to previous version
CVE-2021-3682 A flaw was found in the USB redirector device emulation of QEMU in versions prior to 6.1.0-rc2. It occurs when dropping packets during a bulk transfe
CVE-2021-3748 virtio-net: heap use-after-free in virtio_net_receive_rcu
CVE-2021-3930 An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the
CVE-2021-20196 A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the s
CVE-2021-20203 An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid

Version: 1:4.2-3ubuntu6.17 2021-07-15 19:06:31 UTC

  qemu (1:4.2-3ubuntu6.17) focal-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-2020-15469-2.patch: add pcie-msi read method in
      hw/pci-host/designware.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-2020-15469-5.patch: add nrf51_soc flash read
      method in hw/nvram/nrf51_nvm.c.
    - debian/patches/CVE-2020-15469-6.patch: add spapr msi read method in
      hw/ppc/spapr_pci.c.
    - debian/patches/CVE-2020-15469-7.patch: add dummy read/write methods
      in hw/misc/tz-ppc.c.
    - debian/patches/CVE-2020-15469-8.patch: add digprog mmio write method
      in hw/misc/imx7_ccm.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: multiple issues in virtio vhost-user GPU device
    - debian/patches/CVE-2021-3544-1.patch: fix memory disclosure in
      contrib/vhost-user-gpu/virgl.c.
    - debian/patches/CVE-2021-3544-2.patch: fix resource leak in
      contrib/vhost-user-gpu/vhost-user-gpu.c.
    - debian/patches/CVE-2021-3544-3.patch: fix memory leak in
      contrib/vhost-user-gpu/vhost-user-gpu.c.
    - debian/patches/CVE-2021-3544-4.patch: fix memory leak in
      contrib/vhost-user-gpu/vhost-user-gpu.c.
    - debian/patches/CVE-2021-3544-5.patch: fix memory leak in
      contrib/vhost-user-gpu/virgl.c.
    - debian/patches/CVE-2021-3544-6.patch: fix memory leak in
      contrib/vhost-user-gpu/virgl.c.
    - debian/patches/CVE-2021-3544-7.patch: fix OOB write in
      contrib/vhost-user-gpu/virgl.c.
    - debian/patches/CVE-2021-3544-8.patch: abstract vg_cleanup_mapping_iov
      in contrib/vhost-user-gpu/vhost-user-gpu.c,
      contrib/vhost-user-gpu/virgl.c, contrib/vhost-user-gpu/vugpu.h.
    - CVE-2021-3544
    - CVE-2021-3545
    - CVE-2021-3546
  * SECURITY UPDATE: mremap overflow in the pvrdma device
    - debian/patches/CVE-2021-3582.patch: check lengths in
      hw/rdma/vmw/pvrdma_cmd.c.
    - CVE-2021-3582
  * SECURITY UPDATE: integer overflow in pvrdma device
    - debian/patches/CVE-2021-3607.patch: ensure correct input on ring init
      in hw/rdma/vmw/pvrdma_main.c.
    - CVE-2021-3607
  * SECURITY UPDATE: uninitialized memory unmap in pvrdma device
    - debian/patches/CVE-2021-3608.patch: fix the ring init error flow in
      hw/rdma/vmw/pvrdma_dev_ring.c.
    - CVE-2021-3608
  * 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

 -- Marc Deslauriers <email address hidden> Mon, 12 Jul 2021 11:03:37 -040
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-2021-3544 Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contr
CVE-2021-3545 An information disclosure vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. T
CVE-2021-3546 A flaw was found in vhost-user-gpu of QEMU in versions up to and including 6.0. An out-of-bounds write vulnerability can allow a malicious guest to c
CVE-2021-3582 hw/rdma: Fix possible mremap overflow in the pvrdma device
CVE-2021-3607 pvrdma: unchecked malloc size due to integer overflow in init_dev_ring()
CVE-2021-3608 pvrdma: uninitialized memory unmap in pvrdma_ring_init()
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

Version: 1:4.2-3ubuntu6.14 2021-02-22 18:06:32 UTC

  qemu (1:4.2-3ubuntu6.14) focal-security; urgency=medium

  * SECURITY REGRESSION: fix multiple regressions caused by CVE-2020-13754
    security update (LP: #1914883)
    - debian/patches/ubuntu/CVE-2020-13754-3.patch: log invalid memory
      accesses in memory.c.
    - debian/patches/ubuntu/CVE-2020-13754-4.patch: allow 16-bit writes to
      memory region in hw/riscv/sifive_test.c.
    - debian/patches/ubuntu/CVE-2020-13754-5.patch: allow 64-bit accesses
      in hw/timer/slavio_timer.c.
    - debian/patches/ubuntu/CVE-2020-13754-6.patch: allow less than 32-bit
      accesses in hw/char/bcm2835_aux.c.
    - debian/patches/ubuntu/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 08:17:08 -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: 1:4.2-3ubuntu6.12 2021-02-08 14:06:40 UTC

  qemu (1:4.2-3ubuntu6.12) focal-security; urgency=medium

  * SECURITY UPDATE: heap overread in iscsi_aio_ioctl_cb
    - debian/patches/ubuntu/CVE-2020-11947.patch: fix heap-buffer-overflow
      in block/iscsi.c.
    - CVE-2020-11947
  * SECURITY UPDATE: use-after-free in e1000e
    - debian/patches/ubuntu/CVE-2020-15859.patch: forbid the reentrant RX
      in net/queue.c.
    - CVE-2020-15859
  * SECURITY UPDATE: OOB write to MSI-X table
    - debian/patches/ubuntu/CVE-2020-27821.patch: clamp cached translation
      in case it points to an MMIO region in exec.c.
    - CVE-2020-27821
  * SECURITY UPDATE: infinite loop in e1000e
    - debian/patches/ubuntu/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/ubuntu/CVE-2020-29443-1.patch: assert that the buffer
      pointer is in range in hw/ide/atapi.c.
    - debian/patches/ubuntu/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/ubuntu/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 10:56:08 -0500
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-2020-27821 A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds w
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


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