What’s Vulnerable › Vulnerabilities

CVE-2026-98439: smb/server: cancel async requests when closing connection

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-18 · updated 2026-10-26

Description

In the Linux kernel, the following vulnerability has been resolved: smb/server: cancel async requests when closing connection An async request may still be waiting when a connection is closed. This can stop the connection from closing. Cancel active async requests before waiting for them to finish.

Affected products

• Linux kernel: before 7.2.7 — fixed in 7.2.7, 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.2.7, 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0947087678f465b64eba2acebe808d5c6cfea036
• https://git.kernel.org/stable/c/4fd5bad647bfa45eb86bfd2f03ba1bef3fcd5851

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