CVE-2011-2495 Information disclosure in n/a

What is CVE-2011-2495?

CVE-2011-2495 is a low-severity vulnerability in Linux kernel, published on 13 Jun 2012. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password.

Weakness: CWE-264

Which versions are affected by CVE-2011-2495?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2011-2495?

Upgrade to a fixed version.

Is CVE-2011-2495 being exploited?

There is no known exploitation of CVE-2011-2495 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qfq8-33vr-83jg.