CVE-2026-44944

A flaw was found in open-iscsi. An incorrect authorization vulnerability allows unprivileged local users to bypass authentication for the iscsiuio control socket. This enables unauthorized access to the control socket, potentially leading to system compromise or disruption of iSCSI (Internet Small Computer System Interface) operations.

Important: This flaw in open-iscsi allows unprivileged local users to bypass authentication for the iscsiuio control socket. This could lead to unauthorized access and manipulation of iSCSI sessions, potentially compromising data confidentiality, integrity, and availability on systems where iSCSI is configured.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

If iSCSI offload engine functionality is not required, the iscsiuio service can be disabled to prevent exploitation. This action will stop the service immediately and prevent it from starting on subsequent reboots.

To disable the iscsiuio service:

sudo systemctl disable --now iscsiuio.service
sudo systemctl mask iscsiuio.service

*Disabling this service will impact any systems relying on iSCSI offload engines. A system restart or service reload may be required for the changes to take full effect.