IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to improper processing of DRDA and DDM resynchronization requests.
IBM i Release5770-SS1
PTF Number(s)PTF Download Link(s)7.6SJ10848 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10848 7.5SJ10849 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10849 7.4SJ10850 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10850 7.3SJ10851 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10851
IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.