A certain Red Hat patch for acpid 1.0.4 effectively triggers a call to the open function…
Priority LOW 30CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.
Summary
A certain Red Hat patch for acpid 1.0.4 effectively triggers a call to the open function with insufficient arguments, which might allow local users to leverage weak permissions on /var/log/acpid, and obtain sensitive information by reading this file, cause a denial of service by overwriting this file, or gain privileges by executing this file.
Why it matters now
EPSS 0.00309 23rd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tim_hockin:acpid:1.0.4:*:*:*:*:*:*:* | 1.0.4 | Vulnerable | Tim Hockin |
- cpe:2.3:a:tim_hockin:acpid:1.0.4:*:*:*:*:*:*:* Versions 1.0.4 Vulnerable ·Tim Hockin
Remediation
Red Hat 1 advisory
- RHSA-2009:1642 Released 2009-12-07 · Red Hat rating Importantacpid security update
- Red Hat Enterprise Linux (v. 5 server) acpid-1.0.4-9.el5_4.1, acpid-1.0.4-9.el5_4.1.i386, acpid-1.0.4-9.el5_4.1.ia64
- Red Hat Enterprise Linux Desktop (v. 5 client) acpid-1.0.4-9.el5_4.1, acpid-1.0.4-9.el5_4.1.i386
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2009:1642 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2009:1642 |
Timeline
- 2026-10-02 Threatist record created from CVE-2009-4033
- 2026-10-03 Alias added: GHSA-34cv-vv2p-pf8p
References
More Tim Hockin Acpid vulnerabilities
- TI-2009-04019 acpid 1.0.4 sets an unrestrictive umask, which might allow local users to leverage weak… CVSS 2.0MEDIUM 6.9
- TI-2009-00758 ACPI Event Daemon (acpid) before 1.0.10 allows remote attackers to cause a denial of… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2009-4033 · CVE Program
- CVE-2009-4033 · NVD
- FIRST EPSS
- GHSA-34cv-vv2p-pf8p · GitHub Advisory Database · CC BY 4.0
- CVE-2009-4033 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences