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CVE-2015-8830 is an integer-overflow vulnerability in Linux kernel asynchronous I/O handling, involving aio_setup_single_vector in fs/aio.c. AIO write requests can retain an iovec length greater than MAX_RW_COUNT while the request byte count is bounded. Certain downstream write paths derive their operation length from the unbounded iovec lengths. In the L2TP PPP sendmsg path, this can reach socket-buffer allocation with an oversized total length, where unsigned-integer arithmetic wraps during allocation sizing. The resulting mismatch between backing allocation size and effective buffer size permits out-of-bounds kernel heap writes. The flaw is a regression related to CVE-2012-6701.
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Linux kernel AIO-write integer-overflow vulnerability affecting some protocols.
Linux kernel integer-overflow flaw triggered by AIO writes in certain protocols.
An integer-overflow vulnerability triggered by asynchronous-I/O writes in certain Linux kernel protocols.
A local integer-overflow vulnerability in the Linux kernel AIO aio_setup_single_vector function. A local user can trigger denial of service using a large AIO iovec; other impacts are unspecified.
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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.