CVE-2011-2209

Integer signedness error in the osf_sysinfo function in arch/alpha/kernel/osf_sys.c in the Linux...

2.1 LowFix available

Integer signedness error in the osf_sysinfo function in arch/alpha/kernel/osf_sys.c in the Linux kernel before 2.6.39.4 on the Alpha platform allows local users to obtain sensitive information from kernel memory via a crafted call.

Exploit likelihood

0.46%Down 0.5 points since Feb 4, 2022

What each source reports

NVD Score used 2.1

Record: CVE-2011-2209
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-189
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-2209
Updated: 2026-11-02

EUVDEUVD-2011-2198 No score

Record: EUVD-2011-2198
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cjg7-j8gc-qrxg No score

Integer signedness error in the osf_sysinfo function in arch/alpha/kernel/osf_sys.c in the Linux...

Record: GHSA-cjg7-j8gc-qrxg
Updated: 2026-11-02

Affected products

linux kernel

Affected packages

Affected packages
Package	Affected	Fixed
`linux-2.6` Debian:5.0	before 2.6.26-26lenny4, plus listed versions 2.6.26-132.6.26-13lenny22.6.26-13lenny2~bpo40+12.6.26-142.6.26-15 Show 35 moreShow less 2.6.26-15lenny12.6.26-15lenny22.6.26-15lenny32.6.26-15~bpo40+12.6.26-15~bpo40+22.6.26-162.6.26-172.6.26-17lenny12.6.26-17lenny22.6.26-17lenny2~bpo40+12.6.26-17~bpo40+12.6.26-182.6.26-192.6.26-19lenny12.6.26-19lenny22.6.26-19~bpo40+12.6.26-202.6.26-20~bpo40+12.6.26-212.6.26-21lenny12.6.26-21lenny22.6.26-21lenny32.6.26-21lenny42.6.26-21~bpo40+12.6.26-222.6.26-22lenny12.6.26-232.6.26-242.6.26-24lenny12.6.26-252.6.26-25lenny12.6.26-262.6.26-26lenny12.6.26-26lenny22.6.26-26lenny3	2.6.26-26lenny4

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-2209 is a low vulnerability (CVSS 2.1) in Linux Kernel, published September 22, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. Fixed in linux-2.6 2.6.26-26lenny4.