ALAS2-2026-3867

Amazon Linux 2 Security Advisory: ALAS2-2026-3867
Advisory Released Date: 2026-08-17
Advisory Updated Date: 2026-08-17
Severity: Important
Issue Overview:

An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in open-iscsi allows remote MITM attackers to create root-owned files outside the database and inject lines into the record.


This issue affects open-iscsi: from through 668ca1df9c9a1e9bdd5c999ae1d67c9c8909237e. (CVE-2026-44943)

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. (CVE-2026-44944)

A Double Free vulnerability in open-iscsi allows an unauthenticated MITM attacker to cause DoS.


This issue affects open-iscsi: from ? through 56718d4e9d1a4f51c30697b5c0534144bb41c9bb. (CVE-2026-55995)


Affected Packages:

iscsi-initiator-utils


Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update iscsi-initiator-utils or yum update --advisory ALAS2-2026-3867 to update your system.

New Packages:
aarch64:
    iscsi-initiator-utils-6.2.0.874-7.amzn2.0.1.aarch64
    iscsi-initiator-utils-iscsiuio-6.2.0.874-7.amzn2.0.1.aarch64
    iscsi-initiator-utils-devel-6.2.0.874-7.amzn2.0.1.aarch64
    iscsi-initiator-utils-debuginfo-6.2.0.874-7.amzn2.0.1.aarch64

i686:
    iscsi-initiator-utils-6.2.0.874-7.amzn2.0.1.i686
    iscsi-initiator-utils-iscsiuio-6.2.0.874-7.amzn2.0.1.i686
    iscsi-initiator-utils-devel-6.2.0.874-7.amzn2.0.1.i686
    iscsi-initiator-utils-debuginfo-6.2.0.874-7.amzn2.0.1.i686

src:
    iscsi-initiator-utils-6.2.0.874-7.amzn2.0.1.src

x86_64:
    iscsi-initiator-utils-6.2.0.874-7.amzn2.0.1.x86_64
    iscsi-initiator-utils-iscsiuio-6.2.0.874-7.amzn2.0.1.x86_64
    iscsi-initiator-utils-devel-6.2.0.874-7.amzn2.0.1.x86_64
    iscsi-initiator-utils-debuginfo-6.2.0.874-7.amzn2.0.1.x86_64

Additional References

Release Notes:  Amazon Linux 2 Release Notes

Red Hat: CVE-2026-44943, CVE-2026-44944, CVE-2026-55995

Mitre: CVE-2026-44943, CVE-2026-44944, CVE-2026-55995