Linux kernel before 2.6.9, when running on the AMD64 and Intel EM64T architectures…
Priority LOW 11Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Linux kernel before 2.6.9, when running on the AMD64 and Intel EM64T architectures, allows local users to write to privileged IO ports via the OUTS instruction.
Why it matters now
EPSS 0.00388 33rd 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 · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:* | 2.6.0 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:* | 2.6.1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:* | 2.6.2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.3:*:*:*:*:*:*:* | 2.6.3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.4:*:*:*:*:*:*:* | 2.6.4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.5:*:*:*:*:*:*:* | 2.6.5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.6:*:*:*:*:*:*:* | 2.6.6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.7:*:*:*:*:*:*:* | 2.6.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.8:*:*:*:*:*:*:* | 2.6.8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.8.1:*:*:*:*:*:*:* | 2.6.8.1 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:* Versions 2.6.0 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:* Versions 2.6.1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:* Versions 2.6.2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.3:*:*:*:*:*:*:* Versions 2.6.3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.4:*:*:*:*:*:*:* Versions 2.6.4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.5:*:*:*:*:*:*:* Versions 2.6.5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.6:*:*:*:*:*:*:* Versions 2.6.6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.7:*:*:*:*:*:*:* Versions 2.6.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.8:*:*:*:*:*:*:* Versions 2.6.8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.8.1:*:*:*:*:*:*:* Versions 2.6.8.1 Vulnerable ·Linux
Remediation
Red Hat 2 advisories
- RHSA-2005:293 Released 2005-04-22 · Red Hat rating Importantkernel security update
- Red Hat Desktop version 3 kernel-2.4.21-27.0.4.EL, kernel-2.4.21-27.0.4.EL.athlon, kernel-2.4.21-27.0.4.EL.ia32e +14
- Red Hat Enterprise Linux AS version 3 kernel-2.4.21-27.0.4.EL, kernel-2.4.21-27.0.4.EL.athlon, kernel-2.4.21-27.0.4.EL.ia32e +22
- Red Hat Enterprise Linux ES version 3 kernel-2.4.21-27.0.4.EL, kernel-2.4.21-27.0.4.EL.athlon, kernel-2.4.21-27.0.4.EL.ia32e +18
- Red Hat Enterprise Linux WS version 3 kernel-2.4.21-27.0.4.EL, kernel-2.4.21-27.0.4.EL.athlon, kernel-2.4.21-27.0.4.EL.ia32e +18
- RHSA-2005:092 Released 2005-02-18 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AS version 4 kernel-2.6.9-5.0.3.EL, kernel-2.6.9-5.0.3.EL.ia64, kernel-2.6.9-5.0.3.EL.ppc64iseries +8
- Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-5.0.3.EL, kernel-devel-2.6.9-5.0.3.EL, kernel-doc-2.6.9-5.0.3.EL +4
- Red Hat Enterprise Linux ES version 4 kernel-2.6.9-5.0.3.EL, kernel-2.6.9-5.0.3.EL.ia64, kernel-devel-2.6.9-5.0.3.EL +6
- Red Hat Enterprise Linux WS version 4 kernel-2.6.9-5.0.3.EL, kernel-2.6.9-5.0.3.EL.ia64, kernel-devel-2.6.9-5.0.3.EL +6
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2005:293 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2005:293 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2005:092 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2005:092 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2005:293 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2005:092 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2005:293 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2005:092 |
Timeline
- 2026-10-02 Threatist record created from CVE-2005-0204
- 2026-10-03 Alias added: GHSA-g864-pr32-xwgr
References
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2005-0204 · CVE Program
- CVE-2005-0204 · NVD
- FIRST EPSS
- GHSA-g864-pr32-xwgr · GitHub Advisory Database · CC BY 4.0
- CVE-2005-0204 · Red Hat security data · CC BY 4.0
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