--- title: "CVE-2007-3850\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2007-3850?format=md keywords: index, follow --- # CVE-2007-3850 Publication date 23 October 2007 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## 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. [Read the notes from the security team](https://ubuntu.com/security/CVE-2007-3850?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | linux-source-2.6.15 | 6.06 LTS dapper | Not affected | | linux-source-2.6.17 | 6.10 edgy | Not affected | | linux-source-2.6.20 | 7.04 feisty | Not affected | | linux-source-2.6.22 | 7.10 gutsy | Fixed 2.6.22-12.39 | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## Notes --- ### [jdstrand](https://launchpad.net/~jdstrand) PowerPC only --- ### [kees](https://launchpad.net/~kees) if CONFIG\_PPC\_64K\_PAGES is disabled, this doesn't affect us. ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3850) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2007-3850) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2007-3850) * [Debian](https://security-tracker.debian.org/tracker/CVE-2007-3850) ### Other references * *