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CVE-2009-1961

MediumPublished

The inode double locking code in fs/ocfs2/file.c in the Linux kernel 2.6.30 before 2.6.30-rc3, 2.6.27 before 2.6.27.24, 2.6.29 before 2.6.29.4, and possibly...

Published: Jun 6, 2009
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: May 29, 2009

Primary CVSS

4.7/ 10Medium

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS probability estimate

0.6%

Low · next 30 days

Percentile: 46.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The inode double locking code in fs/ocfs2/file.c in the Linux kernel 2.6.30 before 2.6.30-rc3, 2.6.27 before 2.6.27.24, 2.6.29 before 2.6.29.4, and possibly other versions down to 2.6.19 allows local users to cause a denial of service (prevention of file creation and removal) via a series of splice system calls that trigger a deadlock between the generic_file_splice_write, splice_from_pipe, and ocfs2_file_splice_write functions.

Sources

Linux Kernel 2.6.x - 'splice(2)' Double Lock Local Denial of ServiceExploit
Miklos Szeredi · linux · May 29, 2009

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