Critical severity9.8NVD Advisory· Published Apr 24, 2026· Updated Apr 28, 2026
CVE-2026-31536
CVE-2026-31536
Description
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.
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Affected products
1Patches
Vulnerability mechanics
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