CVE-2013-2237 Information disclosure in n/a

What is CVE-2013-2237?

CVE-2013-2237 is a low-severity vulnerability in Linux kernel, published on 4 Jul 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The key_notify_policy_flush function in net/key/af_key.c in the Linux kernel before 3.9 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel heap memory by reading a broadcast message from the notify_policy interface of an IPSec key_socket.

Weakness: CWE-119

Which versions are affected by CVE-2013-2237?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2013-2237?

Upgrade to a fixed version.

Is CVE-2013-2237 being exploited?

There is no known exploitation of CVE-2013-2237 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 DEBIAN-CVE-2013-2237, GHSA-r4hw-p856-q832.