[ubuntu/focal-security] qemu 1:4.2-3ubuntu6.27 (Accepted)

Nishit Majithia nishit.majithia at canonical.com
Mon Jun 19 02:59:08 UTC 2023


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

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)

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)

Date: 2023-06-14 10:02:08.328222+00:00
Changed-By: Nishit Majithia <nishit.majithia at canonical.com>
https://launchpad.net/ubuntu/+source/qemu/1:4.2-3ubuntu6.27
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