Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +6 | 2.6.9-5.0.3.EL | RHSA-2005:092 |
| RHEL 3 | kernel +8 | 2.4.21-27.0.4.EL | RHSA-2005:293 |
Advisories 2
- RHSA-2005:293 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2005:092 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 2006-0006 vendor-advisory
- 12598 vdb-entry
- RHSA-2005:092 vendor-advisory
- RHSA-2005:293 vendor-advisory
- 18784 third-party-advisory
- oval:org.mitre.oval:def:10320 vdb-entry signature