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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: 1:4.2-3ubuntu6.29
Release: focal (20.04)
Level: updates
Repository: universe

Links

All versions of this package
Bug fixes

List of files in package
Repository home page

Other versions of "qemu" in Focal

Repository Area Version
base main 1:4.2-3ubuntu6
security universe 1:4.2-3ubuntu6.29
security main 1:4.2-3ubuntu6.29
updates main 1:4.2-3ubuntu6.29

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Changelog

Version: 1:4.2-3ubuntu6.24 2022-12-12 10:07:15 UTC

  qemu (1:4.2-3ubuntu6.24) focal-security; urgency=medium

  * SECURITY UPDATE: DMA reentrancy issue
    - debian/patches/CVE-2021-3750.patch: Introduce MemTxAttrs::memory
      field and MEMTX_ACCESS_ERROR
    - CVE-2021-3750
  * SECURITY UPDATE: use-after-free vulnerability
    - debian/patches/CVE-2022-0216-*.patch: fix use-after-free in
      lsi_do_msgout
    - CVE-2022-0216

 -- Nishit Majithia <email address hidden> Thu, 08 Dec 2022 14:45:56 +0530
Source diff to previous version
CVE-2021-3750 A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with its MMIO regi
CVE-2022-0216 A use-after-free vulnerability was found in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU. The flaw occurs while processing repeated message

Version: 1:4.2-3ubuntu6.23 2022-06-21 17:06:32 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 15:06:25 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: 1:4.2-3ubuntu6.19 2022-01-04 19:07:30 UTC

  qemu (1:4.2-3ubuntu6.19) focal; urgency=medium

  * d/p/u/lp-1749393-linux-user-Reserve-space-for-brk.patch: fix static
    use cases needing a lot of brk space (LP: #1749393)
  * d/p/u/lp-1929926-target-s390x-Fix-translation-exception-on-illegal-in.patch:
    fix uretprobe in s390x TCG (LP: #1929926)

 -- Christian Ehrhardt <email address hidden> Mon, 26 Apr 2021 11:11:19 +0200
Source diff to previous version
1749393 sbrk() not working under qemu-user with a PIE-compiled binary?
1929926 [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction

Version: 1:4.2-3ubuntu6.18 2021-10-11 18:06:30 UTC

  qemu (1:4.2-3ubuntu6.18) focal; urgency=medium

  * enhance loading of old modules post upgrade (LP: #1913421)
    - d/rules: d/qemu-system-gui.{prerm,postrm}.in: do not save gui modules
      (can't be loaded late)
    - d/qemu-block-extra.postrm.in: clear all (current and former) modules
      on purge
    - d/qemu-block-extra.prerm.in: test for exec and prepare /var/run/qemu
      if needed

 -- Christian Ehrhardt <email address hidden> Thu, 19 Aug 2021 14:10:54 +0200
1913421 Load of pre-upgrade qemu modules needs to avoid noexec


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