CVE-2026-4652: Remote denial of service via null pointer dereference
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-4652?
CVE-2026-4652 is considered a high severity vulnerability due to the potential for remote denial of service.
How do I fix CVE-2026-4652?
To mitigate CVE-2026-4652, update your Linux kernel to the latest version that addresses this vulnerability.
What systems are affected by CVE-2026-4652?
CVE-2026-4652 affects systems using the Linux kernel that expose an NVMe/TCP target.
Is authentication required to exploit CVE-2026-4652?
No, CVE-2026-4652 can be exploited without authentication by any remote client with network access to the target.
What type of attack can CVE-2026-4652 facilitate?
CVE-2026-4652 can facilitate a remote denial of service attack, leading to a kernel panic.