CVE-2009-0028

CVE-2009-0028 is a low-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

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.

Frequently asked questions

What is CVE-2009-0028?
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.
How severe is CVE-2009-0028?
CVE-2009-0028 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2009-0028 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0028?
CVE-2009-0028 primarily affects Linux Linux Kernel. In total, 316 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0028?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0028 published?
CVE-2009-0028 was published on 2009-02-27 and last updated on 2026-06-16.

References

Affected products (316)

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