CVE-2011-2492 Information disclosure in n/a

What is CVE-2011-2492?

CVE-2011-2492 is a low-severity vulnerability in Linux kernel, published on 28 Jul 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The bluetooth subsystem in the Linux kernel before 3.0-rc4 does not properly initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel memory via a crafted getsockopt system call, related to (1) the l2cap_sock_getsockopt_old function in net/bluetooth/l2cap_sock.c and (2) the rfcomm_sock_getsockopt_old function in net/bluetooth/rfcomm/sock.c.

Weakness: CWE-200

Which versions are affected by CVE-2011-2492?

It affects 6 products.

Products include Linux kernel, Redhat Enterprise Linux Aus, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2011-2492?

Upgrade to a fixed version.

Is CVE-2011-2492 being exploited?

There is no known exploitation of CVE-2011-2492 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-hp8m-j8qg-prr2.