not find "in_cksum"

[pythononedog]

/usr/bin/ld: /tmp/ccDI55qc.o: in function main': main.c:(.text+0x206): undefined reference to in_cksum'
/usr/bin/ld: main.c:(.text+0x504): undefined reference to `in_cksum'
collect2: error: ld returned 1 exit status

[Inplex-sys]

what is your GCLIB version ?

[pythononedog]

ldd (Ubuntu GLIBC 2.35-0ubuntu3.1) 2.35
Copyright (C) 2022 Free Software Foundation, Inc

[pythononedog]

Which version of GLIBC is required？

[pythononedog]

I compiled it under ubuntu22.04.

[adrianosela]

Same issue here:

┌──(scr1pt3r㉿pwnbox)-[~/CVE-2022-23093]
└─$ gcc main.c -o out 
/usr/bin/ld: /tmp/ccfHpRIP.o: in function `main':
main.c:(.text+0x1c6): undefined reference to `in_cksum'
/usr/bin/ld: main.c:(.text+0x47e): undefined reference to `in_cksum'
collect2: error: ld returned 1 exit status