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

crypto: qat - clear AES key schedule from stack

qat_alg_xts_reverse_key() expands the forward XTS AES key on the stack.
That schedule contains key material and can remain in the stack frame.

Clear the temporary crypto_aes_ctx with memzero_explicit() after the copy.

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History

Thu, 17 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: crypto: qat - clear AES key schedule from stack qat_alg_xts_reverse_key() expands the forward XTS AES key on the stack. That schedule contains key material and can remain in the stack frame. Clear the temporary crypto_aes_ctx with memzero_explicit() after the copy.
Title crypto: qat - clear AES key schedule from stack
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-09-17T16:11:55.212Z

Reserved: 2026-09-17T16:02:15.089Z

Link: CVE-2026-93161

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-17T17:18:11.533

Modified: 2026-09-17T17:18:11.533

Link: CVE-2026-93161

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses

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