CVE-2025-40039

ksmbd: Fix race condition in RPC handle list access

References

Notes

 carnil> Introduced in a1f46c99d9ea ("ksmbd: fix use-after-free in
 carnil> ksmbd_session_rpc_open")
 carnil> b685757c7b08 ("ksmbd: Implements sess->rpc_handle_list as xarray"). Vulnerable
 carnil> versions: 5.15.145 6.1.71 6.3.

Bugs

Status

Branch Status
upstream released (6.18-rc1) [305853cce379407090a73b38c5de5ba748893aee]
6.18-upstream-stable N/A "Fixed before branching point"
6.17-upstream-stable released (6.17.3) [6bd7e0e55dcea2cf0d391bbc21c2eb069b4be3e1]
6.12-upstream-stable released (6.12.53) [5cc679ba0f4505936124cd4179ba66bb0a4bd9f3]
6.6-upstream-stable needed
6.1-upstream-stable needed
5.10-upstream-stable N/A "Vulnerable code not present"
sid released (6.17.6-1)
6.12-trixie-security released (6.12.57-1)
6.1-bookworm-security needed
5.10-bullseye-security N/A "Vulnerable code not present"