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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2026-31536

smb: server: let send_done handle a completion without IB_SEND_SIGNALED

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 0626e6641f6b467447c81dd7678a69c66f7746cf to < 24082642654f3e5149913946e89c00a297a8868faffected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to < e38b415c024bc3b6321bf8650dbf3f4aab8e74b3affected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to < 9da82dc73cb03e85d716a2609364572367a5ff47affected

Linux Linux

Default version status: affected

  • 5.15affected
  • 0 to < 5.15unaffected
  • 6.18.11 to ≤ 6.18.*unaffected
  • 6.19.1 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References