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CVE-2024-47719 is an integer-overflow vulnerability in the Linux kernel iommufd IOVA allocation path. User-controlled IOVA and userspace-address values can cause the computed target IOVA alignment to become excessively large. The ALIGN() operation can then overflow, corrupting the allocation area's selected range in iopt_alloc_area_pages() during iopt_map_pages(). The fix caps automatic alignment at the huge-page size, preventing the overflow and avoiding unnecessarily large automatic alignments that consume or fragment IOVA address space.
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What an attacker gets, and what they’ve been doing with it.
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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.
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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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.