CVE-2011-4915

Name: CVE-2011-4915
Creator: NVD / NIST
Published: 2020-02-20T18:15:11.137+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.51%

Last modified Jun 16, 2026

CVE-2011-4915 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. fs/proc/base.c in the Linux kernel through 3.1 allows local users to obtain sensitive keystroke information via access to /proc/interrupts.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

fs/proc/base.c in the Linux kernel through 3.1 allows local users to obtain sensitive keystroke information via access to /proc/interrupts.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.51%

39.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 3.1
Canonical	Ubuntu Linux	14.04
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0499680a42141d86417a8fbaa8c8db806bea1201Patch, Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2ef990ab5a6705a356d146dd773a3b359787497Patch, Vendor Advisory
http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-4915.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2011/11/07/9Exploit, Mailing List, Third Party Advisory
https://lkml.org/lkml/2011/11/7/340Vendor Advisory
https://seclists.org/oss-sec/2011/q4/571Mailing List, Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-4915Third Party Advisory
https://vigilance.fr/vulnerability/Linux-kernel-information-disclosure-about-keyboard-11131Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0499680a42141d86417a8fbaa8c8db806bea1201Patch, Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2ef990ab5a6705a356d146dd773a3b359787497Patch, Vendor Advisory
http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-4915.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2011/11/07/9Exploit, Mailing List, Third Party Advisory
https://lkml.org/lkml/2011/11/7/340Vendor Advisory
https://seclists.org/oss-sec/2011/q4/571Mailing List, Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-4915Third Party Advisory
https://vigilance.fr/vulnerability/Linux-kernel-information-disclosure-about-keyboard-11131Third Party Advisory

Timeline

Published: Feb 20, 2020
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-4915?

fs/proc/base.c in the Linux kernel through 3.1 allows local users to obtain sensitive keystroke information via access to /proc/interrupts.

How severe is CVE-2011-4915?

CVE-2011-4915 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2011-4915?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4915?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST