Bug 2393864 (CVE-2025-30156) - CVE-2025-30156 kernel: ceph: kernel: Ceph: exploit of hardcoded IVECs, in a misuse of AES, resulting in authentication bypass
Summary: CVE-2025-30156 kernel: ceph: kernel: Ceph: exploit of hardcoded IVECs, in a m...
Keywords:
Status: ON_QA
Alias: CVE-2025-30156
Deadline: 2026-07-01
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2394315 2394316 2394317 2394318 2394319 2394320 2394321 2394322 2394323
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-09-08 14:34 UTC by OSIDB Bzimport
Modified: 2026-10-08 12:53 UTC (History)
22 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:79101 0 None None None 2026-10-08 12:53:36 UTC

Description OSIDB Bzimport 2025-09-08 14:34:09 UTC 
A vulnerability was discovered within Ceph. An attacker can exploit our prior use of hardcoded IVECs, in a misuse of AES, similar to PERILS in Kerberos4, resulting in authentication bypass.
Comment 6 Jon Orris 2026-10-08 12:53:35 UTC 
This issue has been addressed in the following products:

  Red Hat Ceph Storage 8.1

Via RHSA-2026:79101 https://access.redhat.com/errata/RHSA-2026:79101
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