CVE-2026-31536CRITICAL 9.8EPSS p35.2%

CVE-2026-31536CVE-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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.44% probability of exploitation · percentile 35.2% · 2026-06-18T12:00:27Z
Published2026-04-24
Last modified2026-04-28

References

  1. https://git.kernel.org/stable/c/24082642654f3e5149913946e89c00a297a8868f
  2. https://git.kernel.org/stable/c/9da82dc73cb03e85d716a2609364572367a5ff47
  3. https://git.kernel.org/stable/c/e38b415c024bc3b6321bf8650dbf3f4aab8e74b3

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