Critical severity9.8NVD Advisory· Published Apr 24, 2026· Updated Jun 17, 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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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8- osv-coords6 versionspkg:linux/kernelpkg:apk/chainguard/linux-gcp-6.12pkg:apk/chainguard/linux-qemu-6.12pkg:apk/chainguard/linux-vmware-6.12pkg:apk/chainguard/linux-aws-6.12pkg:apk/chainguard/linux-azure-6.12
>= 5.15.0, < 6.18.11+ 5 more
- (no CPE)range: >= 5.15.0, < 6.18.11
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
Patches
Vulnerability mechanics
References
3News mentions
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