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CVE-2026-64312

HIGH
7.5
CVSS Severity Score
EPSS Score0.1770%
EPSS Percentile7.46th
Published2026-07-25
Last Modified2026-07-27
Data SourcesNVDFIRST.org EPSS

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - restore callback for non-parallel fallback pcrypt installs pcrypt_aead_done() on the child AEAD request before trying to submit it through padata. If padata_do_parallel() returns -EBUSY, pcrypt falls back to calling the child AEAD directly. That fallback must not keep the padata completion callback. Otherwise an asynchronous completion runs pcrypt_aead_done() even though the request was never enrolled in padata. Restore the original request callback and callback data before calling the child AEAD directly. This keeps the fallback path aligned with a direct AEAD request while leaving the parallel path unchanged.

Affected Platforms (CPE)

No CPE configurations currently published for this record.

References & Advisories

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