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CVE-2024-36000 is an improper-locking race in the Linux kernel hugetlb memory-management subsystem. During huge-page reservation uncharging, the affected path can call hugetlb_cgroup_uncharge_folio_rsvd() without holding hugetlb_lock. That routine updates a cgroup pointer and therefore requires serialization by hugetlb_lock. The condition can occur in a userfaultfd context, including an unlikely path in which two threads concurrently modify the hugetlb reservation map.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel hugetlb memory-management vulnerability caused by missing hugetlb_lock during reservation uncharge.
Linux hugetlb memory-management locking flaw during reservation uncharge.
Linux kernel HugeTLB memory-management locking flaw during reservation uncharge operations.
A Linux kernel hugetlb memory-management flaw caused by a missing hugetlb_lock during reservation uncharge operations.
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.