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CVE-2024-38544 is a use-after-free vulnerability in the Linux kernel RDMA Software RoCE (rxe) component's rxe_comp_queue_pkt() function. The function enqueues an incoming response packet socket buffer to the response queue, decides whether to run or schedule the completer task, and then dereferences the packet to increment a hardware performance counter. When a separately running completer processes and frees the queued packet before that final dereference, the kernel can dereference freed memory and fault.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A locally exploitable vulnerability requiring low privileges and high attack complexity, with high integrity and availability impact and no stated confidentiality impact.
Potential segmentation fault in the Linux kernel RXE RDMA packet-completion queue.
Linux kernel RDMA rxe segmentation-fault issue in completion queue packet processing.
A Linux kernel RDMA RXE component vulnerability involving a segmentation fault in rxe_comp_queue_pkt.
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.