CVE-2026-90195

A flaw was found in the Linux kernel's RISC-V 64-bit RV64 Just-In-Time JIT compiler for Berkeley Packet Filter BPF programs. The RV64 JIT fails to perform proper sign-extension for signed 1-byte and 2-byte kernel function kfunc arguments. This oversight can lead to incorrect processing of data...

TFTP Fetch, Linux dup2 Command Shell, Bind TCP Stager

Fetch and execute an RISC-V 64-bit payload from a TFTP server. dup2 socket in s1, then execve. Listen for a connection Module Options...

FTP Fetch, Linux dup2 Command Shell, Bind TCP Stager

Fetch and execute an RISC-V 64-bit payload from an FTP server. dup2 socket in s1, then execve. Listen for a connection Module Options...

HTTP Fetch, Linux dup2 Command Shell, Reverse TCP Stager

Fetch and execute an RISC-V 64-bit payload from an HTTP server. dup2 socket in s1, then execve. Connect back to the attacker Module Options This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework module MetasploitModule inclu...

FTP Fetch, Linux Command Shell, Reverse TCP Inline

Fetch and execute an RISC-V 64-bit payload from an FTP server. Connect back to attacker and spawn a command shell. Module Options This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework module MetasploitModule include...

TFTP Fetch, Linux Execute Command

Fetch and execute an RISC-V 64-bit payload from a TFTP server. Execute an arbitrary command Module Options msf use payload/cmd/linux/tftp/riscv64le/exec msf payloadexec show actions ...actions... msf payloadexec set ACTION msf payloadexec show options ...show and set options... msf payloadexec ru...

HTTP Fetch, Linux Command Shell, Bind TCP Inline

Fetch and execute an RISC-V 64-bit payload from an HTTP server. Listen for a connection and spawn a command shell Module Options msf use payload/cmd/linux/http/riscv64le/shellbindtcp msf payloadshellbindtcp show actions ...actions... msf payloadshellbindtcp set ACTION msf payloadshellbindtcp show...

TFTP Fetch, Linux Chmod

Fetch and execute an RISC-V 64-bit payload from a TFTP server. Runs chmod on the specified file with specified mode. Module Options msf use payload/cmd/linux/tftp/riscv64le/chmod msf payloadchmod show actions ...actions... msf payloadchmod set ACTION msf payloadchmod show options ...show and set...