--- title: "CVE-2009-4271\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-2009-4271?format=md keywords: index, follow --- # CVE-2009-4271 Publication date 19 March 2010 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description The Linux kernel 2.6.9 through 2.6.17 on the x86\_64 and amd64 platforms allows local users to cause a denial of service (panic) via a 32-bit application that calls mprotect on its Virtual Dynamic Shared Object (VDSO) page and then triggers a segmentation fault. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | linux | 10.04 LTS lucid | Not affected | | 9.10 karmic | Not affected | | 9.04 jaunty | Not affected | | 8.10 intrepid | Not affected | | 8.04 LTS hardy | Not affected | | 6.06 LTS dapper | Not in release | | linux-source-2.6.15 | 10.04 LTS lucid | Not in release | | 9.10 karmic | Not in release | | 9.04 jaunty | Not in release | | 8.10 intrepid | Not in release | | 8.04 LTS hardy | Not in release | | 6.06 LTS dapper | Fixed 2.6.15-55.84 | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4271) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2009-4271) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2009-4271) * [Debian](https://security-tracker.debian.org/tracker/CVE-2009-4271) ### Related Ubuntu Security Notices (USN) + [USN-947-1](https://usn.ubuntu.com/USN-947-1) + Linux kernel vulnerabilities + 3 June 2010 ### Other references *