CVE-2026-97590 (GCVE-0-2026-97590)
Vulnerability from cvelistv5
Published
2026-09-25 10:22
Modified
2026-10-19 09:09
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix missing scrub of temp buffers with PAES algorithm In function ctr_paes_do_crypt() there is a buffer used to process remaining bytes < AES_BLOCK_SIZE. This buffer was not scrubbed and thus could lead to expose of unwanted data. Rework the code to explicitly scrub the buffer at the end of the function to avoid exposure of maybe sensitive data. In function __xts_2keys_prep_param() change the existing scrub to clean the whole param block instead of just the key field.
References
Impacted products
Vendor Product Version
Linux Linux Version: 6cd87cb5ef6ca50ae17c371482ceaab1d635e232
Version: 6cd87cb5ef6ca50ae17c371482ceaab1d635e232
Version: 6cd87cb5ef6ca50ae17c371482ceaab1d635e232
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/s390/crypto/paes_s390.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7d1456d54b3c784cc2917c219a528092cefe30cd",
              "status": "affected",
              "version": "6cd87cb5ef6ca50ae17c371482ceaab1d635e232",
              "versionType": "git"
            },
            {
              "lessThan": "d7159d2132e9aa51af7acb51c6742d9b30f987b3",
              "status": "affected",
              "version": "6cd87cb5ef6ca50ae17c371482ceaab1d635e232",
              "versionType": "git"
            },
            {
              "lessThan": "19a218b46b2471d370c11fb52040f36ac8d05d23",
              "status": "affected",
              "version": "6cd87cb5ef6ca50ae17c371482ceaab1d635e232",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/s390/crypto/paes_s390.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.16"
            },
            {
              "lessThan": "6.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.53",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.53",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.7",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/crypto: Fix missing scrub of temp buffers with PAES algorithm\n\nIn function ctr_paes_do_crypt() there is a buffer used to process\nremaining bytes \u003c AES_BLOCK_SIZE. This buffer was not scrubbed and\nthus could lead to expose of unwanted data. Rework the code to\nexplicitly scrub the buffer at the end of the function to avoid\nexposure of maybe sensitive data.\n\nIn function __xts_2keys_prep_param() change the existing scrub to\nclean the whole param block instead of just the key field."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:09:54.100Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7d1456d54b3c784cc2917c219a528092cefe30cd"
        },
        {
          "url": "https://git.kernel.org/stable/c/d7159d2132e9aa51af7acb51c6742d9b30f987b3"
        },
        {
          "url": "https://git.kernel.org/stable/c/19a218b46b2471d370c11fb52040f36ac8d05d23"
        }
      ],
      "title": "s390/crypto: Fix missing scrub of temp buffers with PAES algorithm",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-97590",
    "datePublished": "2026-09-25T10:22:08.075Z",
    "dateReserved": "2026-09-24T16:01:01.157Z",
    "dateUpdated": "2026-10-19T09:09:54.100Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.