Race condition in cpio 2.6 and earlier allows local users to modify permissions of…
Priority LOW 21CWE-367Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
Race condition in cpio 2.6 and earlier allows local users to modify permissions of arbitrary files via a hard link attack on a file while it is being decompressed, whose permissions are changed by cpio after the decompression is complete.
Why it matters now
EPSS 0.00311 24th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
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 · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:cpio:*:*:*:*:*:*:*:* | up to 2.6 | Vulnerable | GNU |
| cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Debian |
| cpe:2.3:o:canonical:ubuntu_linux:4.10:*:*:*:*:*:*:* | 4.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:5.04:*:*:*:*:*:*:* | 5.04 | Vulnerable | Canonical |
- cpe:2.3:a:gnu:cpio:*:*:*:*:*:*:*:* Versions up to 2.6 Vulnerable ·GNU
- cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Debian
- cpe:2.3:o:canonical:ubuntu_linux:4.10:*:*:*:*:*:*:* Versions 4.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:5.04:*:*:*:*:*:*:* Versions 5.04 Vulnerable ·Canonical
Remediation
Red Hat 2 advisories
- RHSA-2005:806 Released 2005-11-10 · Red Hat rating Lowcpio security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Enterprise Linux WS version 2.1
- Red Hat Linux Advanced Workstation 2.1
- RHSA-2005:378 Released 2005-07-21 · Red Hat rating Lowcpio security update
- Red Hat Desktop version 3 cpio-2.5-4.RHEL3, cpio-2.5-4.RHEL3.i386
- Red Hat Enterprise Linux AS version 3 cpio-2.5-4.RHEL3, cpio-2.5-4.RHEL3.i386, cpio-2.5-4.RHEL3.ia64 +1
- Red Hat Enterprise Linux AS version 4 cpio-2.5-8.RHEL4, cpio-2.5-8.RHEL4.i386, cpio-2.5-8.RHEL4.ia64 +1
- Red Hat Enterprise Linux Desktop version 4 cpio-2.5-8.RHEL4, cpio-2.5-8.RHEL4.i386
- Red Hat Enterprise Linux ES version 3 cpio-2.5-4.RHEL3, cpio-2.5-4.RHEL3.i386, cpio-2.5-4.RHEL3.ia64
- Red Hat Enterprise Linux ES version 4 cpio-2.5-8.RHEL4, cpio-2.5-8.RHEL4.i386, cpio-2.5-8.RHEL4.ia64
- Red Hat Enterprise Linux WS version 3 cpio-2.5-4.RHEL3, cpio-2.5-4.RHEL3.i386, cpio-2.5-4.RHEL3.ia64
- Red Hat Enterprise Linux WS version 4 cpio-2.5-8.RHEL4, cpio-2.5-8.RHEL4.i386, cpio-2.5-8.RHEL4.ia64
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2005:378 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2005:806 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2005:378 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2005:378 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2005:378 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2005:806 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2005:378 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2005:378 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2005:806 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2005:378 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2005:378 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2005:806 |
Timeline
- 2026-10-02 Threatist record created from CVE-2005-1111
- 2026-10-03 Alias added: GHSA-fg93-983g-7p2v
References
Sources
- CVE-2005-1111 · CVE Program
- CVE-2005-1111 · NVD
- FIRST EPSS
- GHSA-fg93-983g-7p2v · GitHub Advisory Database · CC BY 4.0
- CVE-2005-1111 · Red Hat security data · CC BY 4.0
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