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CVE-2025-22866 is a timing side-channel vulnerability in Go's internal NIST elliptic-curve implementation affecting P-256 operations on ppc64le. A variable-time instruction in an internal assembly function leaks a small number of bits of secret scalars. The leakage is not believed sufficient to recover a private key when P-256 is used in well-known protocols.
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No public exploit code observed for this vulnerability.
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A timing side-channel vulnerability in Go's assembly implementation of an internal cryptographic function on ppc64le leaks a small number of secret-scalar bits. The advisory states that this leakage is not believed sufficient to recover a P-256 private key in well-known protocols. The plugin rates the vulnerability Medium, with a CVSS v3 base score of 4.0.
A vulnerability addressed by the referenced Oracle Linux security advisory; the supplied content provides no technical details.
A vulnerability addressed by the Miracle Linux AXSA-2026-1846 advisory; the flaw type is not specified.
A timing side-channel vulnerability in Go's crypto/internal/nistec P-256 implementation on ppc64le.
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.