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CVE-2024-56662 is an out-of-bounds read vulnerability in the Linux kernel ACPI NFIT subsystem. In the acpi_nfit_ctl() ioctl path, cmd_to_func() accesses the nd_reserved2 member of an nd_cmd_pkg structure without first confirming that the supplied buffer is large enough to contain that structure. An undersized buffer can therefore cause a vmalloc out-of-bounds read and undefined behavior. The issue was detected by syzbot with KASAN.
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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.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Out-of-bounds read in Linux kernel ACPI NFIT control handling.
A locally exploitable vulnerability requiring high privileges that can result in high confidentiality and availability impact. The content does not identify the affected component or underlying flaw type.
Linux kernel ACPI NFIT out-of-bounds read vulnerability.
Linux kernel ACPI NFIT out-of-bounds read.
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.