CVE-2026-31711

Description

A flaw was found in the Linux kernel's ksmbd server. An unauthenticated remote attacker can exploit this by holding open connections with large data lengths, leading to a leak of connection resources. This resource exhaustion can prevent new legitimate connections from being established, resulting in a Denial of Service (DoS) for the ksmbd server.

Understanding the Weakness (CWE)

Availability

Technical Impact: DoS: Resource Consumption (Memory); DoS: Resource Consumption (Other)

An adversary that can cause a resource counter to become inaccurate may be able to create situations where resources are not accounted for and not released, thus causing resources to become scarce for future needs.

Availability

Technical Impact: DoS: Crash, Exit, or Restart

An adversary that can cause a resource counter to become inaccurate may be able to force an error that causes the product to crash or exit out of its current operation.

Frequently Asked Questions

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