High [CVE-2026-44944] Authentication bypass in iscsiuio control socket
This high-severity Red Hat Linux advisory covers CVE-2026-44944 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.
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Summary
An Incorrect Authorization vulnerability in open-iscsi allows unprivilidged local users to use the isscsiuio control socket. This issue affects open-iscsi: from? through 668ca1df9c9a1e9bdd5c999ae1d67c9c8909237e.
This enables unauthorized access to the control socket, potentially leading to system compromise or disruption of iSCSI (Internet Small Computer System Interface) operations.
This could lead to unauthorized access and manipulation of iSCSI sessions, potentially compromising data confidentiality, integrity, and availability on systems where iSCSI is configured. Red Hat severity: Important — CVSS 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Weakness: CWE-1220. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support.
Red Hat fixing advisory: RHSA-2026:53845, RHSA-2026:53844, RHSA-2026:62029, RHSA-2026:60427, RHSA-2026:60428.
Affected products named by the advisory: Red Hat package: iscsi-initiator-utils.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 11 days ago·verify at source
- iscsi-initiator-utils-0:6.2.1.11-1.git4b3e853.el10_2.2
- iscsi-initiator-utils-0:6.2.1.11-1.git4b3e853.el9_8.2
- iscsi-initiator-utils-0:6.2.1.4-3.git2a8f9d8.el9_2.2
- iscsi-initiator-utils-0:6.2.1.9-1.gita65a472.el9_4.2
- iscsi-initiator-utils-0:6.2.1.9-1.gita65a472.el9_6.3
- RHSA-2026:53845
- RHSA-2026:53844
- RHSA-2026:62029
- RHSA-2026:60427
- RHSA-2026:60428
Official advisory · high-confidence parse· fetched 11 days ago·verify at source
Mitigation checklist
- 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: ```bash 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.
Official advisory · high-confidence parse· fetched 11 days ago·verify at source
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