The runtime linker in IBM AIX 6.1 and 7.1 and VIOS 2.2.x allows local users to create a mode-666 root-owned file, and consequently gain privileges, by setting crafted MALLOCOPTIONS and MALLOCBUCKETS environment-variable values and then executing a setuid program.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 24.9%