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CVE-2023-4459 is a NULL pointer dereference in the Linux kernel vmxnet3 network-driver receive-queue cleanup routine, vmxnet3_rq_cleanup(). A missing sanity check during cleanup can cause the routine to dereference a NULL pointer. The flaw affects systems using the vmxnet3 networking component and is locally exploitable for denial of service.
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No public exploit code observed for this vulnerability.
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7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel vmxnet3 NULL-pointer dereference in vmxnet3_rq_cleanup().
Linux kernel vmxnet3 driver NULL-pointer dereference in vmxnet3_rq_cleanup().
Linux kernel vmxnet3 driver NULL-pointer dereference in vmxnet3_rq_cleanup().
A NULL-pointer dereference vulnerability in the Linux kernel vmxnet3 driver's vmxnet3_rq_cleanup() function.
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.