Red Hat Enterprise Linux/OpenShift Container Platform linux_sockets network.persocket.filter command injection

Summaryinfo

A vulnerability categorized as very critical has been discovered in Red Hat Enterprise Linux and OpenShift Container Platform. The impacted element is an unknown function of the component linux_sockets. Executing a manipulation of the argument network.persocket.filter can lead to command injection. This vulnerability is registered as CVE-2026-16524. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as very critical was found in Red Hat Enterprise Linux and OpenShift Container Platform (affected version unknown). This vulnerability affects an unknown functionality of the component linux_sockets. The manipulation of the argument network.persocket.filter with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A command injection flaw in PCP's linux_sockets PMDA allows malicious shell metacharacters via the network.persocket.filter metric. This failed validation lets attackers execute arbitrary commands as the PMDA user when metrics refresh.

The advisory is available at access.redhat.com. This vulnerability was named CVE-2026-16524 since 07/22/2026. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/30/2026). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Operating System

Vendor

• Red Hat

Name

• Enterprise Linux
• OpenShift Container Platform

License

• commercial

Website

• Vendor: https://www.redhat.com/

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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