My $0.02:
PTF arrived approx. half year after the problem was detected.
So,
a) everyone who did not shut down their z/OS for half year was highly
insecure, risky, vulnerable
b) it's no big deal to not apply the fix (with proper MCLs and OSPROTECT
setting)
What is a difference between running system without the fix for half
year and for 2 years?
Actually it was ran for much more than half year, the vulnerability is*
known to public* since end of 2017, but it existed since GA of any
affected machine.
BTW: I lack information what about LPARs. For example, let's assume all
my LPARs except one run patched system. One is leased LPAR and then I
don't know if patched correctly. Is the "alien" LPAR system able to
affect other LPARs?
--
Radoslaw Skorupka
Lodz, Poland
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