When the Global Pointer (GP) relative addressing is enabled (CONFIG_RISCV_GP=y), the gp reg points at 0x800 bytes past the start of the .sdata section which is then used by the linker to relax accesses to global symbols.
Exploitability
AV:LAC:LPR:NUI:NScope
S:CImpact
C:HI:HA:H9.3/CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HOther