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CVE-2024-35895 is a Linux kernel BPF sockmap/sockhash locking flaw in the map-delete-element operation. A BPF tracing program can invoke deletion from interrupt context, where interrupts are disabled. Sockmap bucket locks are intentionally not hardirq-safe and may conflict with socket locks held in an IRQ-disabled path, allowing lock acquisition in opposite orders and causing a lock-inversion deadlock. The fix detects map deletion from an interrupt-disabled context and returns an error. Sockmap and sockhash map updates are not affected because the BPF verifier does not permit BPF tracing programs to update those map types.
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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.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel BPF sockmap lock-inversion deadlock flaw in map deletion fixed in the Red Hat kernel-rt update.
Linux kernel BPF sockmap lock-inversion deadlock flaw during map element deletion.
Linux kernel BPF sockmap lock-inversion deadlock vulnerability during map-element deletion.
Linux kernel BPF/sockmap lock-inversion deadlock issue during map-element deletion.
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.