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CVE-2024-38570 is a use-after-free vulnerability in the Linux kernel GFS2 clustered filesystem during unmount. GFS2 previously freed glock objects that it did not explicitly unlock before releasing the associated DLM lockspace. DLM asynchronous lock contention notification callbacks, including AST and BAST callbacks, can remain active until their lock is unlocked or the lockspace is released. Those callbacks could therefore dereference already-deallocated glock objects. The fix retains glocks on the dead-glock list until after DLM lockspace release, then frees them, and ignores unexpected callbacks received for dead glocks.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Potential use-after-free vulnerability involving GFS2 glocks during filesystem unmount.
Linux kernel GFS2 glock use-after-free during filesystem unmount.
Potential Linux kernel GFS2 glock use-after-free during filesystem unmount.
Potential Linux kernel GFS2 glock use-after-free condition during filesystem unmount.
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.