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CVE-2024-35944 affects the Linux kernel VMCI datagram handling path in dg_dispatch_as_host(). The function copied an entire variable-length VMCI datagram into the msg member of a delayed_datagram_info allocation using a size derived from the datagram payload length. Although the adjacent flexible payload array is intentionally contiguous with msg, the copy crossed a structure-member boundary and triggered a FORTIFY_SOURCE run-time field-spanning write warning. The fix separates copying of the fixed datagram header from copying of the payload into its dedicated flexible array.
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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.
A flaw in the Linux kernel VMCI dg_dispatch_as_host() path involving an unsafe memcpy operation.
A Linux kernel VMware VMCI issue in dg_dispatch_as_host() that triggers a memcpy() run-time warning. The content characterizes its automatically assessed impact as low and states that it has been addressed through Red Hat Enterprise Linux errata.
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.