diff --git a/.github/actions/spelling/allow.txt b/.github/actions/spelling/allow.txt
index 85ca0f9f2981f..9b14c6dbd7086 100644
--- a/.github/actions/spelling/allow.txt
+++ b/.github/actions/spelling/allow.txt
@@ -355,6 +355,7 @@ netcat
 netdata
 Netflix
 netlify
+netlink
 Neue
 neuronull
 Nextbook
diff --git a/changelog.d/22487_tcp_netlink_parsing.fix.md b/changelog.d/22487_tcp_netlink_parsing.fix.md
new file mode 100644
index 0000000000000..f98c5861f95f8
--- /dev/null
+++ b/changelog.d/22487_tcp_netlink_parsing.fix.md
@@ -0,0 +1,3 @@
+Fixed a `host_metrics` source issue that caused tcp metrics collection to fail with "Could not parse netlink response: invalid netlink buffer" errors on Linux systems.
+
+authors: mushrowan
diff --git a/src/sources/host_metrics/tcp.rs b/src/sources/host_metrics/tcp.rs
index c800b5975d081..a544a3451fc7a 100644
--- a/src/sources/host_metrics/tcp.rs
+++ b/src/sources/host_metrics/tcp.rs
@@ -241,10 +241,12 @@ async fn fetch_netlink_inet_headers(addr_family: u8) -> Result<Vec<InetResponseH
         .await
         .context(NetlinkSendSnafu)?;
 
-    let mut receive_buffer = vec![0; 4096];
     let mut inet_resp_hdrs = Vec::with_capacity(32); // Pre-allocate with an estimate
 
-    while let Ok(()) = socket.recv(&mut &mut receive_buffer[..]).await {
+    while let Ok((receive_buffer, _addr)) = socket.recv_from_full().await {
+        if receive_buffer.is_empty() {
+            break;
+        }
         let done = parse_netlink_messages(&receive_buffer, &mut inet_resp_hdrs)?;
         if done {
             break;