Return of Wrong Status Code Affecting kernel-rt-64k-modules-core package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.14% (3rd percentile)

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  • Snyk IDSNYK-RHEL10-KERNELRT64KMODULESCORE-20273413
  • published30 Sept 2026
  • disclosed25 Sept 2026

Introduced: 25 Sep 2026

NewCVE-2026-97589  (opens in a new tab)
CWE-393  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 kernel-rt-64k-modules-core.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-64k-modules-core package and not the kernel-rt-64k-modules-core package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

s390/crypto: Fix wrong return code to engine in asynch callbacks

When crypto_finalize_hash_request() or crypto_finalize_skcipher_request() explicitly completes a request, the do_one_request callback must return 0 to indicate successful handling. Returning a negative error code causes the crypto engine to assume the driver failed to take ownership and triggers a second completion via crypto_request_complete(), resulting in a double completion. This pattern occurs in paes_s390.c 4 times and once in phmac_s390.c.

Fixed in phmac_do_one_request() and all four paes do_one_request callbacks (ecb, cbc, ctr, xts) by returning 0 after explicit finalization instead of propagating the error code.

CVSS Base Scores

version 3.1