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CVE-2024-26675 is an improper resource-limit vulnerability in the Linux kernel asynchronous PPP driver. The ppp_async_ioctl handler accepted arbitrarily large Maximum Receive Unit (MRU) values through the PPPIOCSMRU ioctl without applying the 64 KB sanity limit already used elsewhere in PPP handling. A subsequently received PPP frame could cause ppp_async input processing to attempt an oversized socket-buffer allocation, reaching an invalid page-allocation order and triggering a kernel warning. The fix rejects MRU values exceeding 64 KB.
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An insufficient MRU-limit validation issue in the Linux kernel asynchronous PPP driver.
Linux kernel PPP asynchronous-driver MRU validation vulnerability.
Linux kernel PPP asynchronous driver flaw involving an insufficient MRU limit.
Linux kernel PPP asynchronous driver maximum-receive-unit validation flaw.
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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.