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Package "qemu-system-x86-xen"

Name: qemu-system-x86-xen

Description:

QEMU full system emulation binaries (x86)
Latest version: 1:4.2-3ubuntu6.29
Release: focal (20.04)
Level: updates
Repository: universe
Head package: qemu
Homepage: http://www.qemu.org/

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Other versions of "qemu-system-x86-xen" in Focal

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

Changelog

Version: 1:4.2-3ubuntu6.29 2024-06-06 15:07:13 UTC

  qemu (1:4.2-3ubuntu6.29) focal-security; urgency=medium

  * SECURITY REGRESSION: 9pfs restrictions on sockets (LP: #2065579)
    - debian/patches/ubuntu/lp-2065579-9pfs-allow-sockets.patch: allow
      sockets and FIFOs to be opened in hw/9pfs/9p-util.h. The fix for
      CVE-2023-2861 was too restrictive for some use-cases.

 -- Marc Deslauriers <email address hidden> Wed, 05 Jun 2024 12:25:53 -0400
Source diff to previous version
2065579 [UBUNTU 22.04] OS guest boot issues on 9p filesystem
CVE-2023-2861 A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU. The 9pfs server did not prohibit opening special files on the host s

Version: 1:4.2-3ubuntu6.28 2024-01-08 21:06:55 UTC

  qemu (1:4.2-3ubuntu6.28) focal-security; urgency=medium

  * SECURITY UPDATE: infinite loop in USB xHCI controller
    - debian/patches/CVE-2020-14394.patch: Fix unbounded loop in
      xhci_ring_chain_length() in hw/usb/hcd-xhci.c.
    - CVE-2020-14394
  * SECURITY UPDATE: code execution in TCG Accelerator
    - debian/patches/CVE-2020-24165.patch: fix race in cpu_exec_step_atomic
      in accel/tcg/cpu-exec.c.
    - CVE-2020-24165
  * SECURITY UPDATE: OOB access in ATI VGA device
    - debian/patches/CVE-2021-3638.patch: Fix buffer overflow in ati_2d_blt
      in hw/display/ati_2d.c.
    - CVE-2021-3638
  * SECURITY UPDATE: OOB read in RDMA device
    - debian/patches/CVE-2023-1544.patch: protect against buggy or
      malicious guest driver in hw/rdma/vmw/pvrdma_main.c.
    - CVE-2023-1544
  * SECURITY UPDATE: 9pfs special file access
    - debian/patches/CVE-2023-2861.patch: prevent opening special files in
      fsdev/virtfs-proxy-helper.c, hw/9pfs/9p-util.h.
    - CVE-2023-2861
  * SECURITY UPDATE: heap overflow in crypto device
    - debian/patches/CVE-2023-3180.patch: verify src&dst buffer length for
      sym request in hw/virtio/virtio-crypto.c.
    - CVE-2023-3180
  * SECURITY UPDATE: DoS in VNC server
    - debian/patches/CVE-2023-3354.patch: remove io watch if TLS channel is
      closed during handshake in include/io/channel-tls.h,
      io/channel-tls.c.
    - CVE-2023-3354
  * SECURITY UPDATE: disk offset 0 access
    - debian/patches/CVE-2023-5088.patch: cancel async DMA operation before
      resetting state in hw/ide/core.c.
    - CVE-2023-5088

 -- Marc Deslauriers <email address hidden> Thu, 30 Nov 2023 14:45:57 -0500
Source diff to previous version
CVE-2020-14394 An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring. Thi
CVE-2020-24165 An issue was discovered in TCG Accelerator in QEMU 4.2.0, allows local attackers to execute arbitrary code, escalate privileges, and cause a denial o
CVE-2021-3638 An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MM
CVE-2023-1544 A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to allocate and initialize a
CVE-2023-2861 A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU. The 9pfs server did not prohibit opening special files on the host s
CVE-2023-3180 A flaw was found in the QEMU virtual crypto device while handling data encryption/decryption requests in virtio_crypto_handle_sym_req. There is no ch
CVE-2023-3354 A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections cro
CVE-2023-5088 A bug in QEMU could cause a guest I/O operation otherwise addressed to an arbitrary disk offset to be targeted to offset 0 instead (potentially overw

Version: 1:4.2-3ubuntu6.27 2023-06-19 06:07:07 UTC

  qemu (1:4.2-3ubuntu6.27) focal-security; urgency=medium

  * SECURITY UPDATE: user-after-free issue
    - debian/patches/CVE-2022-1050.patch: Protect against buggy or
      malicious guest driver
    - CVE-2022-1050
  * SECURITY UPDATE: Out-of-bounds read
    - debian/patches/CVE-2022-4144-*.patch: Have qxl_log_command Return
      early if no log_cmd handler; Document qxl_phys2virt(); Pass requested
      buffer size to qxl_phys2virt(); Avoid buffer overrun in qxl_phys2virt;
      Assert memory slot fits in preallocated MemoryRegion
    - CVE-2022-4144
  * SECURITY UPDATE: reentrancy problem
    - debian/patches/CVE-2023-0330.patch: Fix reentrancy issues in the LSI
      controller
    - CVE-2023-0330

 -- Nishit Majithia <email address hidden> Tue, 13 Jun 2023 16:58:54 +0530
Source diff to previous version
CVE-2022-1050 A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to execute HW commands when
CVE-2022-4144 An out-of-bounds read flaw was found in the QXL display device emulation in QEMU. The qxl_phys2virt() function does not check the size of the structu
CVE-2023-0330 A vulnerability in the lsi53c895a device affects the latest version of qemu. A DMA-MMIO reentrancy problem may lead to memory corruption bugs like st

Version: 1:4.2-3ubuntu6.26 2023-04-26 09:36:00 UTC

  qemu (1:4.2-3ubuntu6.26) focal; urgency=medium

  * d/p/u/lp-1999885-s390x-tod-kvm-don-t-save-restore-the-TOD-in-PV-guest.patch:
    avoid timer issues in s390x secure execution guests (LP: #1999885)

 -- Christian Ehrhardt <email address hidden> Thu, 23 Mar 2023 08:18:28 +0100
Source diff to previous version
1999885 [UBUNTU 20.04] KVM: s390: pv: don't allow userspace to set the clock under PV - qemu part

Version: 1:4.2-3ubuntu6.25 2023-04-06 21:06:56 UTC

  qemu (1:4.2-3ubuntu6.25) focal; urgency=medium

  [ Brett Milford ]
  * d/p/u/lp1994002-migration-Read-state-once.patch: Fix for libvirt
    error 'migration was active, but no RAM info was set' (LP: #1994002)

  [ Mauricio Faria de Oliveira ]
  * d/p/u/lp2009048-vfio_map_dma_einval_amd_iommu_1tb.patch: Add hint
    to VFIO_MAP_DMA error on AMD IOMMU for VMs with ~1TB+ RAM (LP: #2009048)

 -- Mauricio Faria de Oliveira <email address hidden> Thu, 02 Mar 2023 18:07:21 -0300
1994002 [SRU] migration was active, but no RAM info was set
2009048 PCI passthrough on AMD IOMMU fails with \


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