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CVE-2009-1961 is a deadlock vulnerability in the Linux kernel OCFS2 filesystem inode double-locking implementation. A sequence of splice system calls can create a circular lock dependency among generic_file_splice_write, splice_from_pipe, and ocfs2_file_splice_write. The resulting deadlock blocks OCFS2 file-creation and file-removal operations. Affected versions include Linux kernel 2.6.30 before 2.6.30-rc3, 2.6.29 before 2.6.29.4, and 2.6.27 before 2.6.27.24; versions back to 2.6.19 may also be affected.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A local denial-of-service vulnerability in the Linux kernel OCFS2 filesystem's inode locking and splice-write handling. Crafted splice system calls can deadlock filesystem operations, preventing file creation and removal.
An operating system deadlock vulnerability involving three separate functions.
An operating-system deadlock involving three separate functions.
An operating-system deadlock involving three separate functions.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.