OpenBSD Errata: October 13th, 2017 (tcb_invalid)

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OpenBSD Errata: October 13th, 2017 (tcb_invalid)

T.J. Townsend
Errata patches have been released for OpenBSD 6.2 and 6.1.

A local user could trigger a kernel panic by using an invalid TCB value.

Binary updates for the amd64 platform are available via the syspatch
utility. Source code patches can be found on the respective errata
pages:

  https://www.openbsd.org/errata61.html
  https://www.openbsd.org/errata62.html

As this affects the kernel, a reboot will be needed after patching.