Abrt: chownproblemdir succeeds during active post-create event processing due to inadequate locking (Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.12 % · percentile 2 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Awaiting Analysis
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.
Weaknesses (CWE)
- CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization
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
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-54229.json
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | redhat |
| CVSS 3.1 | HIGH 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | redhat-SADP |
| CVSS 3.1 | HIGH 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · secalert@redhat.com (Secondary) |
| CVSS 3.1 | HIGH 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary) |
European references
- ENISA EUVD · EUVD-2026-36638
- GCVE · GCVE-0-2026-54229
Affected products
| Product | Versions |
|---|---|
| Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle Support | unaffected 0:2.1.11-61.el7_9 < * |
| Red Hat · Red Hat Enterprise Linux 8 | unaffected 0:2.10.9-26.el8_10 < * |
| Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | unaffected 0:2.10.9-25.el8_4.1 < * |
| Red Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | unaffected 0:2.10.9-25.el8_4.1 < * |
| Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | unaffected 0:2.10.9-25.el8_6.1 < * |
| Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | unaffected 0:2.10.9-25.el8_6.1 < * |
| Red Hat · Red Hat Enterprise Linux 8.8 Telecommunications Update Service | unaffected 0:2.10.9-25.el8_8.1 < * |
| Red Hat · Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | unaffected 0:2.10.9-25.el8_8.1 < * |
| Red Hat · Red Hat Enterprise Linux 6 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |