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CVE-2008-3275

5.5 · MEDIUM

The (1) real_lookup and (2) __lookup_hash functions in fs/namei.c in the vfs implementation in the Linux kernel before 2.6.25.15 do not prevent creation of a child dentry for a deleted (aka S_DEAD)…

Published Aug 12, 2008linuxCWE-120EPSS 0.51%

Overview

CVE-2008-3275 is a medium-severity vulnerability affecting linux linux_kernel. It was published on August 12, 2008 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The (1) real_lookup and (2) __lookup_hash functions in fs/namei.c in the vfs implementation in the Linux kernel before 2.6.25.15 do not prevent creation of a child dentry for a deleted (aka S_DEAD) directory, which allows local users to cause a denial of service ("overflow" of the UBIFS orphan area) via a series of attempted file creations within deleted directories.

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, < 2.6.25.15Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d70b67c8bc72ee23b55381bd6a884f4796692f77Refkernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.15Reflists.opensuse.org/opensuse-security-announce/2008-10/msg00001.htmlReflists.opensuse.org/opensuse-security-announce/2008-10/msg00003.htmlReflkml.org/lkml/2008/7/2/83Refsecunia.com/advisories/31551Refsecunia.com/advisories/31614Refsecunia.com/advisories/31836Refsecunia.com/advisories/31881Refsecunia.com/advisories/32023

How CyberStrike helps

Frequently asked questions

What is CVE-2008-3275?

CVE-2008-3275 is a medium-severity vulnerability affecting linux linux_kernel. It was published on August 12, 2008 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2008-3275?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2008-3275?

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-2008-3275?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-3275 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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