Oracle Shared Memory Segment Permission Changed in 12.2 and 188.8.131.52 Starting With PSU 184.108.40.206.160719
(Doc ID 2241468.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
IBM AIX on POWER Systems (64-bit)
Oracle Solaris on x86-64 (64-bit)
Oracle Solaris on SPARC (64-bit)
After Applying Oracle Database 18.104.22.168 with July 2016 PSU/BP Shared Memory segment permission changed to 600(is no longer readable for the group but the owner)
- Before Applying July2016 PSU or with 22.214.171.124 Oracle executable runs with permission is '640' and shared memory segment is readable for group.
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 22872084 oracle 640 12582912 21
0x00000000 22904853 oracle 640 721420288 21
0xd41b1c5c 22937622 oracle 640 2097152 21
- After Applying July2016 PSU or with 126.96.36.199 Oracle executable runs with permission '600' and is no longer readable for Group.
Applying July2016 PSU or Upgrading to 188.8.131.52
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