CVE-2012-6536 Information disclosure in n/a

What is CVE-2012-6536?

CVE-2012-6536 is a low-severity vulnerability in Linux kernel, published on 14 Mar 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.

Weakness: CWE-200

Which versions are affected by CVE-2012-6536?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2012-6536?

Upgrade to a fixed version.

Is CVE-2012-6536 being exploited?

There is no known exploitation of CVE-2012-6536 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 CVE-2012-6138, DEBIAN-CVE-2012-6536, GHSA-rxcj-6763-q884.