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CVE-2010-4256

2.1 · LOW

The pipe_fcntl function in fs/pipe.c in the Linux kernel before 2.6.37 does not properly determine whether a file is a named pipe, which allows local users to cause a denial of service via an F_SET…

Published Jan 25, 2011linuxCWE-20EPSS 0.36%

Overview

CVE-2010-4256 is a low-severity vulnerability affecting linux linux_kernel. It was published on January 25, 2011 and has a CVSS 2.0 base score of 2.1 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The pipe_fcntl function in fs/pipe.c in the Linux kernel before 2.6.37 does not properly determine whether a file is a named pipe, which allows local users to cause a denial of service via an F_SETPIPE_SZ fcntl call.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel>= 0, < 2.6.37Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c66fb347946ebdd5b10908866ecc9fa05ee2cf3dRefopenwall.com/lists/oss-security/2010/11/30/6Refopenwall.com/lists/oss-security/2010/11/30/9Refwww.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c66fb347946ebdd5b10908866ecc9fa05ee2cf3dRefopenwall.com/lists/oss-security/2010/11/30/6Refopenwall.com/lists/oss-security/2010/11/30/9Refwww.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37

How CyberStrike helps

Frequently asked questions

What is CVE-2010-4256?

CVE-2010-4256 is a low-severity vulnerability affecting linux linux_kernel. It was published on January 25, 2011 and has a CVSS 2.0 base score of 2.1 (LOW).

How severe is CVE-2010-4256?

This vulnerability has a CVSS 2.0 base score of 2.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2010-4256?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2010-4256?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-4256 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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