CVE-2026-31536

critical · 9.8

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.

9.8

CVSS

0.4%

EPSS (exploit prob.)

38th

EPSS percentile

2026-04-24

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Vendor	Product	Affected versions
linux	linux_kernel	>= 5.15, < 6.18.11
linux	linux_kernel	>= 6.19, < 6.19.1

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-31536