CVE-2011-1172 Information disclosure in n/a

What is CVE-2011-1172?

CVE-2011-1172 is a low-severity vulnerability in Linux kernel, published on 22 Jun 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

net/ipv6/netfilter/ip6_tables.c in the IPv6 implementation in the Linux kernel before 2.6.39 does not place the expected '\0' character at the end of string data in the values of certain structure members, which allows local users to obtain potentially sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability to issue a crafted request, and then reading the argument to the resulting modprobe process.

Weakness: CWE-200

Which versions are affected by CVE-2011-1172?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2011-1172?

Upgrade to a fixed version.

Is CVE-2011-1172 being exploited?

There is no known exploitation of CVE-2011-1172 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-22qr-537q-vhfv.