CVE-2026-31536 — smb: server: let send_done handle a completion without IB_SEND_SIGNALED
In the Linux kernel, the following vulnerability has been resolved: smb: server: let send_done handle a completion without IB_SEND_SIGNALED With smbdirect_send_batch processin…
Published: 2026-04-24 · CVSS: 9.8 · CVSS 3.1
In the Linux kernel, the following vulnerability has been resolved: smb: server: let send_done handle a completion without IB_SEND_SIGNALED With smbdirect_send_batch processing we likely have requests without IB_SEND_SIGNALED, which will be destroyed in the final request that has IB_SEND_SIGNALED set. If the connection is broken all requests are signaled even without explicit IB_SEND_SIGNALED.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7