Detections
Analytics

Fedora 43 : ceph (2026-ebffec502b)

critical Nessus Plugin ID 338789

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-ebffec502b advisory.

 # Ceph 19.2.6 GA

 * CVE-2025-30156 is an authentication bypass in CephX caused by misuse of AES-CBC.
 > https://docs.ceph.com/en/latest/security/CVE-2025-30156
 * CVE-2026-39944 shares the unauthenticated-encryption root cause of CVE-2025-30156 > https://docs.ceph.com/en/latest/security/CVE-2026-39944
 * CVE-2026-50152 is an improper authorization flaw in the Ceph Monitor subscription handler.
 > https://docs.ceph.com/en/latest/security/CVE-2026-50152
 * CVE-2026-54330 is a flaw in RGW not properly verifying its SigV4 cryptographic signatures in RGW's SigV4 verifier.
 > https://docs.ceph.com/en/latest/security/CVE-2026-54330


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected 2:ceph package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-ebffec502b

Plugin Details

Severity: Critical

ID: 338789

File Name: fedora_2026-ebffec502b.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/22/2026

Updated: 8/22/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.19

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-54330

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:43, p-cpe:/a:fedoraproject:fedora:ceph

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 8/19/2026

Vulnerability Publication Date: 8/19/2026

Reference Information

CVE: CVE-2025-30156, CVE-2026-39944, CVE-2026-50152, CVE-2026-54330