---
id: CVE-2026-93161
title: |-
  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 rem…
summary: |-
  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 rem…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 5106dfeaeabea73d5132daab1d89d57b57fa98b7 <
    b9cf42622b30178f554fa74411eec67e02d70411
  - >-
    Linux >= 5106dfeaeabea73d5132daab1d89d57b57fa98b7 <
    fb1194b78a163cc56bb9480c707fc34b53522359
  - >-
    Linux >= 5106dfeaeabea73d5132daab1d89d57b57fa98b7 <
    892f34dc1819cceb8841005a68086710ce3763b6
  - >-
    Linux >= 5106dfeaeabea73d5132daab1d89d57b57fa98b7 <
    dcaa0f1e86cbcb01f68131ae907b54cf299a3592
  - >-
    Linux >= 5106dfeaeabea73d5132daab1d89d57b57fa98b7 <
    9af019e213ada5c3d0d33c515071a1414b6899f3
  - >-
    Linux >= 5106dfeaeabea73d5132daab1d89d57b57fa98b7 <
    92e4979e1a770860b26aa3d90cce0c4c6a53833c
  - >-
    Linux >= 5106dfeaeabea73d5132daab1d89d57b57fa98b7 <
    d41a9fcfb7f9ee36e4a4aaf5e7996bca6be1e7a9
  - Linux 5.11
published: '2026-09-17'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T17:18:11.533'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93161'
references:
  - url: 'https://git.kernel.org/stable/c/892f34dc1819cceb8841005a68086710ce3763b6'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/92e4979e1a770860b26aa3d90cce0c4c6a53833c'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/9af019e213ada5c3d0d33c515071a1414b6899f3'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/b9cf42622b30178f554fa74411eec67e02d70411'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/d41a9fcfb7f9ee36e4a4aaf5e7996bca6be1e7a9'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/dcaa0f1e86cbcb01f68131ae907b54cf299a3592'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/fb1194b78a163cc56bb9480c707fc34b53522359'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-17T16:21:47.739Z'
epss: 0.00206
epssPercentile: 0.10943
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.