CVE-2026-4652

High

Description

On a system exposing an NVMe/TCP target, a remote client can trigger a kernel panic by sending a CONNECT command for an I/O queue with a bogus or stale CNTLID. An attacker with network access to the NVMe/TCP target can trigger an unauthenticated Denial of Service condition on the affected machine.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Freebsd

PublishedMar 26, 2026

First seenMar 26, 2026

Weakness typeCWE-476NULL pointer dereference

How to fix

Vendor advisories

security.freebsd.org/advisories/FreeBSD-SA-26:07.nvmf.asc

Affected products

Product	Affected versions	Fixed in
freebsd freebsd	15.0	—

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