CVE-2026-31707

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate response sizes in ipcvalidatemsg ipcvalidatemsg computes the expected message size for each response type by adding or multiplying attacker-controlled fields from the daemon response to a fixed struct size in...

CVE-2026-31707 ksmbd: validate response sizes in ipc_validate_msg()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate response sizes in ipcvalidatemsg ipcvalidatemsg computes the expected message size for each response type by adding or multiplying attacker-controlled fields from the daemon response to a fixed struct size in...

CVE-2026-31707

The CVE-2026-31707 issue affects the Linux kernel ksmbd component. The overflow vulnerability in ipc_validate_msg() arises from arithmetic on attacker-controlled fields when computing per-response message sizes, allowing wraparound in three cases (RPC_REQUEST, SHARE_CONFIG_REQUEST, LOGIN_REQUEST_...