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CVE-2026-52972 is an integer-overflow flaw in the Linux kernel crypto AF_ALG AEAD interface. Excessively large AEAD associated-data lengths can cause arithmetic overflow during transmit-buffer size validation, undermining the intended bounds check. The fix rejects associated-data lengths greater than 0x80000000 before the vulnerable size calculations occur.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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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.
38 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Excessive AEAD associated-data length handling in the Linux kernel AF_ALG crypto interface.
Linux kernel AF_ALG AEAD associated-data length validation flaw.
Linux kernel AF_ALG cryptographic-interface vulnerability involving an insufficient bound on AEAD associated-data length.
Linux kernel AF_ALG AEAD vulnerability involving excessive associated-data length.
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.