A flaw was found in util-linux. This vulnerability allows a heap buffer overread when processing 256-byte usernames, specifically within the setpwnam() function, affecting SUID (Set User ID) login-utils utilities writing to the password database.
Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:LI:NA:H6.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:HMemory Safety