Dirty Cow: Restarting all VMs

All VMs are currently affected by the “Dirty Cow” kernel bug. The upcoming release 2016_034 contains a kernel update which upgrades Linux to the unaffected version 4.4.28. As usual, the kernel update requires to reboot all VMs.

Schedule:

  • Tue 15 through Thu 17 November 2016: reboot staging VMs
  • Thu 17 through Thu 24 November 2016: reboot productive VMs.

VM reboots will be scheduled along the agreed maintenance windows. We will piggy-back a Qemu binary environment update which would require a separate reboot otherwise.

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