CVE-2024-2905

Password-hash disclosure via default shadow-file permissions

Published Apr 25, 2024 · Updated Nov 6, 2025

Incorrect default permissions in rpm-ostree 1.2024.4 allow local users to read password hashes from shadow files. The compose path manually creates shadow, shadow-, gshadow, and gshadow- with default mode 0644 instead of explicitly applying mode 0000. Only new installations built from affected commits inherit the modes; enforcing SELinux blocks confined actors but not unconfined users or services.

CVSS severity6.2
Medium
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect default permissions in rpm-ostree 1.2024.4 allow local users to read password hashes from shadow files. The compose path manually creates shadow, shadow-, gshadow, and gshadow- with default mode 0644 instead of explicitly applying mode 0000. Only new installations built from affected commits inherit the modes; enforcing SELinux blocks confined actors but not unconfined users or services.

The record

CVE
CVE-2024-2905
Published
Apr 25, 2024
Updated
Nov 6, 2025
Vendor
Red Hat
Product
Red Hat Enterprise Linux 10
Classifications
CWE-276, CWE-732, T1003.008
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 25, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 6, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Red Hat · Red Hat Enterprise Linux 10Affected versions are unavailable in this record.
CoreOS · rpm-ostreeversion=1.2024.4
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update SupportAffected versions are unavailable in this record.
Red Hat · Red Hat Enterprise Linux 9Affected versions are unavailable in this record.

Published CVSS scores

6.2Red HatCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-276Incorrect Default Permissions
CWE-732Incorrect Permission Assignment for Critical Resource
T1003.008OS Credential Dumping: /etc/passwd and /etc/shadow

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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