[ubuntu/bionic-security] libvirt 4.0.0-1ubuntu8.21 (Accepted)

Marc Deslauriers marc.deslauriers at canonical.com
Mon May 2 16:49:18 UTC 2022


libvirt (4.0.0-1ubuntu8.21) bionic-security; urgency=medium

  * SECURITY UPDATE: crash via double-free memory issue
    - debian/patches/CVE-2020-25637-1.patch: gendispatch: handle empty
      flags in src/rpc/gendispatch.pl.
    - debian/patches/CVE-2020-25637-2.patch: add support for filtering
      @acls by uint params in src/remote/remote_protocol.x,
      src/rpc/gendispatch.pl.
    - debian/patches/CVE-2020-25637-3.patch: require write acl for guest
      agent in src/libxl/libxl_driver.c, src/qemu/qemu_driver.c,
      src/remote/remote_protocol.x.
    - debian/patches/CVE-2020-25637-4.patch: set ifname to NULL after
      freeing in src/qemu/qemu_agent.c.
    - CVE-2020-25637
  * SECURITY UPDATE: sVirt SELinux confinement flaw
    - debian/patches/CVE-2021-3631.patch: fix SELinux label generation
      logic in src/security/security_selinux.c.
    - CVE-2021-3631
  * SECURITY UPDATE: segmentation fault during VM shutdown
    - debian/patches/CVE-2021-3975.patch: add missing lock in
      qemuProcessHandleMonitorEOF in src/qemu/qemu_process.c.
    - CVE-2021-3975
  * SECURITY UPDATE: DoS via libxl driver
    - debian/patches/CVE-2021-4147-pre0.patch: handle external domain
      destroy in src/libxl/libxl_domain.c, src/libxl/libxl_domain.h.
    - debian/patches/CVE-2021-4147-pre1.patch: fix domain shutdown in
      src/libxl/libxl_domain.c.
    - debian/patches/CVE-2021-4147-1.patch: disable death events after
      receiving a shutdown event in src/libxl/libxl_domain.c,
      src/libxl/libxl_domain.h.
    - debian/patches/CVE-2021-4147-2.patch: rename libxlShutdownThreadInfo
      struct in src/libxl/libxl_domain.c.
    - debian/patches/CVE-2021-4147-3.patch: modify name of shutdown thread
      in src/libxl/libxl_domain.c.
    - debian/patches/CVE-2021-4147-4.patch: handle domain death events in a
      thread in src/libxl/libxl_domain.c.
    - debian/patches/CVE-2021-4147-5.patch: search for virDomainObj in
      event handler threads in src/libxl/libxl_domain.c.
    - debian/patches/CVE-2021-4147-6pre1.patch: avoid virHashFree by
      rearranging code in src/libxl/libxl_logger.c.
    - debian/patches/CVE-2021-4147-6.patch: protect access to libxlLogger
      files hash table in src/libxl/libxl_logger.c.
    - CVE-2021-4147
  * SECURITY UPDATE: DoS via nwfilter driver
    - debian/patches/CVE-2022-0897.patch: fix crash when counting number of
      network filters in src/nwfilter/nwfilter_driver.c.
    - CVE-2022-0897

libvirt (4.0.0-1ubuntu8.20) bionic; urgency=medium

  * d/p/u/lp-1927519-virt-aa-helper-Purge-profile-if-corrupted.patch:
    avoid issues due to corrupted apparmor profiles (LP: #1927519)
  * d/p/u/skip-new-pdwtags.patch: avoid issues with backported
    dwarves 1.21 (LP: #1951438)

libvirt (4.0.0-1ubuntu8.19) bionic; urgency=medium

  * d/p/lp1915811-fix-numa-topology.patch: Fix NUMA topology population for
    machines with a high number of CPUs (LP: #1915811)

libvirt (4.0.0-1ubuntu8.18) bionic; urgency=medium

  * Improve flaky smoke-lxc test (LP: #1899180)
    - d/t/control, d/t/smoke-lxc: retry service restart and skip test if
      failing; This was flaky on some release/architectures
    - d/t/smoke-lxc: retry check_domain being flaky on arm64

Date: 2022-04-21 13:01:17.514731+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/libvirt/4.0.0-1ubuntu8.21
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