Description
The eHCA driver in Linux kernel 2.6 before 2.6.22, when running on PowerPC, does not properly map userspace resources, which allows local users to read portions of physical address space.
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 5 | kernel +9 | 2.6.18-8.1.15.el5 | RHSA-2007:0940 |
Advisories 1
- RHSA-2007:0940 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 27322 third-party-advisory
- 45488 vdb-entry
- 26161 vdb-entry
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=721151d004dcf01a71b12bb6b893f9160284cf6e
- RHSA-2007:0940 vendor-advisory
- oval:org.mitre.oval:def:10793 vdb-entry signature