CVE-2011-1182 Security feature bypass in n/a

What is CVE-2011-1182?

CVE-2011-1182 is a low-severity vulnerability in Linux kernel, published on 1 Mar 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

kernel/signal.c in the Linux kernel before 2.6.39 allows local users to spoof the uid and pid of a signal sender via a sigqueueinfo system call.

Which versions are affected by CVE-2011-1182?

It affects 7 products.

Products include Linux kernel, Redhat Enterprise Linux, Redhat Enterprise Linux Aus, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server and 1 more.

How do I fix CVE-2011-1182?

Upgrade to a fixed version.

Is CVE-2011-1182 being exploited?

There is no known exploitation of CVE-2011-1182 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-r2p8-xfjx-qrfg.