CVE-2009-0028 Privilege escalation in n/a

What is CVE-2009-0028?

CVE-2009-0028 is a low-severity vulnerability in Linux kernel, published on 27 Feb 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The clone system call in the Linux kernel 2.6.28 and earlier allows local users to send arbitrary signals to a parent process from an unprivileged child process by launching an additional child process with the CLONE_PARENT flag, and then letting this new process exit.

Weakness: CWE-264

Which versions are affected by CVE-2009-0028?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2009-0028?

Apply the vendor's patch.

Is CVE-2009-0028 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-0028 exists.

Public exploit code: 1 Exploit-DB entry.

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-rvqj-x8r2-p6fr.