CVE-2026-31609 — smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush()
In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush() smbd_send_batch_flush()…
Published: 2026-04-24 · CVSS: 9.8 · CVSS 3.1
In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush() smbd_send_batch_flush() already calls smbd_free_send_io(), so we should not call it again after smbd_post_send() moved it to the batch list.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7