What is CVE-2011-4916?

CVE-2011-4916 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2022-07-12.

How severe is CVE-2011-4916?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Linux Kernel

CVE-2011-4916

Linux kernel through 3.1 allows local users to obtain sensitive keystroke information via access to /dev/pts/ and /dev/tty*.

Vulnerability class: Information Disclosure

Published 2022-07-12 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Linux Kernel
Linux Kernel — versions Linux Kernel <= 3.1

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.openwall.com/lists/oss-security/2011/12/28/3 (Exploit, Mailing List, Third Party Advisory)
lkml.org/lkml/2011/11/7/355 (Exploit, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2011-4916?: CVE-2011-4916 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2022-07-12.
How severe is CVE-2011-4916?: Medium severity. CVSS v3 base score is 5.5 out of 10.