Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 6.18.11 |
References
- https://git.kernel.org/stable/c/24082642654f3e5149913946e89c00a297a8868fPatch
- https://git.kernel.org/stable/c/9da82dc73cb03e85d716a2609364572367a5ff47Patch
- https://git.kernel.org/stable/c/e38b415c024bc3b6321bf8650dbf3f4aab8e74b3Patch
FAQ
What is CVE-2026-31536?
CVE-2026-31536 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 reques...
How severe is CVE-2026-31536?
CVE-2026-31536 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-31536?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.