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CVE-2005-3356

2.1 · LOW

The mq_open system call in Linux kernel 2.6.9, in certain situations, can decrement a counter twice ("double decrement") as a result of multiple calls to the mntput function when the dentry_open fu…

Published Dec 31, 2005linuxEPSS 0.44%

Overview

CVE-2005-3356 is a low-severity vulnerability affecting linux linux_kernel. It was published on December 31, 2005 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 mq_open system call in Linux kernel 2.6.9, in certain situations, can decrement a counter twice ("double decrement") as a result of multiple calls to the mntput function when the dentry_open function call fails, which allows local users to cause a denial of service (panic) via unspecified attack vectors.

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

References

Refbugzilla.redhat.com/bugzilla/show_bug.cgi?id=169130Reflists.suse.de/archive/suse-security-announce/2006-Feb/0010.htmlRefrhn.redhat.com/errata/RHSA-2006-0101.htmlRefsecunia.com/advisories/18510Refsecunia.com/advisories/18527Refsecunia.com/advisories/18788Refsecunia.com/advisories/19038Refsecunia.com/advisories/19374Refwww.debian.org/security/2006/dsa-1017Refwww.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7c7dce9209161eb260cdf9e9172f72c3a02379e6

How CyberStrike helps

Frequently asked questions

What is CVE-2005-3356?

CVE-2005-3356 is a low-severity vulnerability affecting linux linux_kernel. It was published on December 31, 2005 and has a CVSS 2.0 base score of 2.1 (LOW).

How severe is CVE-2005-3356?

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-2005-3356?

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-2005-3356?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2005-3356 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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