CVE-2026-31409

medium Red Hat
EPSS Score
0.0%
Exploitation probability in 30 days
Top 99% most likely to be exploited
Published: April 6, 2026 (38 days ago)
Last Modified: April 6, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in ksmbd, a component of the Linux kernel. This vulnerability occurs when a multichannel Server Message Block (SMB2) session setup request, specifically one with a binding flag, fails. Due to an error in handling this failure, ksmbd incorrectly retains a binding state for the connection. This can lead to all subsequent session lookups falling back to a global sessions table, potentially causing unexpected session management and service disruption.

CWE

CWE-390

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 lore.kernel.org