CVE-2011-2898 Information disclosure in n/a

What is CVE-2011-2898?

CVE-2011-2898 is a medium-severity vulnerability in Linux kernel, published on 24 May 2012. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

net/packet/af_packet.c in the Linux kernel before 2.6.39.3 does not properly restrict user-space access to certain packet data structures associated with VLAN Tag Control Information, which allows local users to obtain potentially sensitive information via a crafted application.

Weakness: CWE-200

Which versions are affected by CVE-2011-2898?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2011-2898?

Apply the vendor's patch.

Is CVE-2011-2898 being exploited?

There is no known exploitation of CVE-2011-2898 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-xj6c-4x5p-6pj3.