CVE-2026-4652 — Remote denial of service via null pointer dereference

CVE-2026-4652

Remote denial of service via null pointer dereference PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
FreeBSD / FreeBSD	affected 15.0-RELEASE before p5

CWE

CWE-476

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.