CVE-2026-93161 (GCVE-0-2026-93161)
Vulnerability from cvelistv5
Published
2026-09-17 16:11
Modified
2026-10-19 09:06
Severity ?
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 remain in the stack frame. Clear the temporary crypto_aes_ctx with memzero_explicit() after the copy.
References
Impacted products
Vendor Product Version
Linux Linux Version: 5106dfeaeabea73d5132daab1d89d57b57fa98b7
Version: 5106dfeaeabea73d5132daab1d89d57b57fa98b7
Version: 5106dfeaeabea73d5132daab1d89d57b57fa98b7
Version: 5106dfeaeabea73d5132daab1d89d57b57fa98b7
Version: 5106dfeaeabea73d5132daab1d89d57b57fa98b7
Version: 5106dfeaeabea73d5132daab1d89d57b57fa98b7
Version: 5106dfeaeabea73d5132daab1d89d57b57fa98b7
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{
  "containers": {
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/intel/qat/qat_common/qat_algs.c"
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          "versions": [
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      ],
      "cpeApplicability": [
        {
          "nodes": [
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              "cpeMatch": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - clear AES key schedule from stack\n\nqat_alg_xts_reverse_key() expands the forward XTS AES key on the stack.\nThat schedule contains key material and can remain in the stack frame.\n\nClear the temporary crypto_aes_ctx with memzero_explicit() after the copy."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:06:33.265Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b9cf42622b30178f554fa74411eec67e02d70411"
        },
        {
          "url": "https://git.kernel.org/stable/c/fb1194b78a163cc56bb9480c707fc34b53522359"
        },
        {
          "url": "https://git.kernel.org/stable/c/892f34dc1819cceb8841005a68086710ce3763b6"
        },
        {
          "url": "https://git.kernel.org/stable/c/dcaa0f1e86cbcb01f68131ae907b54cf299a3592"
        },
        {
          "url": "https://git.kernel.org/stable/c/9af019e213ada5c3d0d33c515071a1414b6899f3"
        },
        {
          "url": "https://git.kernel.org/stable/c/92e4979e1a770860b26aa3d90cce0c4c6a53833c"
        },
        {
          "url": "https://git.kernel.org/stable/c/d41a9fcfb7f9ee36e4a4aaf5e7996bca6be1e7a9"
        }
      ],
      "title": "crypto: qat - clear AES key schedule from stack",
      "x_generator": {
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      }
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-93161",
    "datePublished": "2026-09-17T16:11:55.212Z",
    "dateReserved": "2026-09-17T16:02:15.089Z",
    "dateUpdated": "2026-10-19T09:06:33.265Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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