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CVE-2025-22866

Timing sidechannel for P-256 on ppc64le in crypto/internal/nistec PUBLISHED

Description (CNA)

Due to the usage of a variable time instruction in the assembly implementation of an internal function, a small number of bits of secret scalars are leaked on the ppc64le architecture. Due to the way this function is used, we do not believe this leakage is enough to allow recovery of the private key when P-256 is used in any well known protocols.

Affected (CNA)

Vendor / productVersions
Go standard library / crypto/internal/nistecaffected 0 before 1.22.12; affected 1.23.0-0 before 1.23.6; affected 1.24.0-0 before 1.24.0-rc.3

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.