CVE-2026-97588

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Map EBUSY to EIO when key conversion fails repeatedly When hardware persistently returns -EBUSY after exhausting retries, the error propagates to crypto_finalize_*_request(). The crypto API's completion wrapper treats -EBUSY as a queueing status and swallows it, preventing the completion callback from firing. This causes callers using crypto_wait_req() to block indefinitely. Translate persistent -EBUSY to -EIO after retry exhaustion to ensure proper error propagation and callback invocation.

• https://git.kernel.org/stable/c/7a08507ea5b4d06ad8d269287913573f34467565
• https://git.kernel.org/stable/c/e267bd142664a181474112392aeaa8b3d4b12f2e
• https://git.kernel.org/stable/c/f6b263679aa72ad2e534bf93db55f2589549a40e

Published

Sep 25, 2026

Last Modified

Sep 25, 2026

Status

Received

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