CVE-2026-31537 — smb: server: make use of smbdirect_socket.send_io.bcredits
In the Linux kernel, the following vulnerability has been resolved: smb: server: make use of smbdirect_socket.send_io.bcredits It turns out that our code will corrupt the stre…
Published: 2026-04-24 · CVSS: Unscored
In the Linux kernel, the following vulnerability has been resolved: smb: server: make use of smbdirect_socket.send_io.bcredits It turns out that our code will corrupt the stream of reassabled data transfer messages when we trigger an immendiate (empty) send. In order to fix this we'll have a single 'batch' credit per connection. And code getting that credit is free to use as much messages until remaining_length reaches 0, then the batch credit it given back and the next logical send can happen.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7