OpenBMC Engineer · Linux Kernel Contributor

Yuqi Xu

I build BMC firmware at Lenovo and fix bugs in the Linux kernel. Nine security fixes merged upstream so far, mostly in the networking and wireless stacks.

Kernel commits Résumé

Work OpenBMC @ Lenovo

Upstream 9 patches in mainline Linux

Areas net · wireless · bpf · bluetooth

Contact xuyuqiabc@gmail.com

Upstream Linux

Security fixes merged into mainline (torvalds/linux):

net: ipconfig: bound DHCP option construction net2026-09
bpf: Check params size before reading reserved fields bpf2026-09
openvswitch: Fix CT limit teardown use-after-free ovs2026-08
Bluetooth: hci_sync: reject oversized Broadcast Announcement prepend bt2026-06
net: rds: clear i_sends on setup unwind net2026-06
wifi: nl80211: reject oversized EMA RNR lists wifi2026-06
bpf: sockmap: fix tail fragment offset in bpf_msg_push_data bpf2026-05
wifi: cfg80211: reject duplicate wiphy cipher suite entries wifi2026-04
rxrpc: reject undecryptable rxkad response tickets net2026-04

Further fixes for TIPC, mac80211, TPM, and KEYS are queued in maintainer trees. Full commit log →

Day Job

At Lenovo I own the networking stack of our in-house OpenBMC firmware — phosphor-networkd, NCSI, and the Redfish network interfaces — across Intel Eagle Stream and Birch Stream server platforms. Yocto builds, D-Bus interfaces, and the occasional tcpdump session in front of a customer.