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CVE-2024-43888 is a use-after-free vulnerability in the Linux kernel memory-cgroup handling used by list_lru. The memory-cgroup lookup routine can return a memory-cgroup object without an RCU read-side critical section or another lifetime-protecting lock. A concurrent teardown can therefore free the returned object before its subsequent use. The fix adds the missing RCU read lock, limited to cases where it is necessary, so that the memory-cgroup object remains valid while referenced.
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No public exploit code observed for this vulnerability.
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2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel memory-management use-after-free vulnerability in list_lru related to memory cgroups.
Unknown
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.