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FKIE_CVE-2026-93160

Vulnerability from fkie_nvd - Published: 2026-09-17 17:18 - Updated: 2026-09-17 17:18
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-ecc - reject hardware ECDH without a public key The hardware ECDH path in atmel_ecdh_compute_shared_secret() uses the private key stored in the device. However, the public key is cached only after atmel_ecdh_set_secret() successfully generated that private key for the current tfm. atmel_ecdh_generate_public_key() already rejects requests when no public key is cached. Add the same check to atmel_ecdh_compute_shared_secret() to prevent the device from using a private key that was not generated for the current tfm.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2b40bab362d2b598f34e5ccd4694cedc3c2553d4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/33241f198287960bba5fc2251400896762650bfa
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3ea8b780d68f02fe235c5051ce8ac4b4940b9259
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5e33791dfcc6459e402a524669093cd953d5b2df
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6457162f74f45284ade2da644a4f0c54758ac0a6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/add28e9988902d29ea93f4869280b4a16a049ea5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e64d6f1aae8c837cb3f0446bf44108226d7370f4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f240f9b588f4e2de89822adebf560a96b5d263ed
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/atmel-ecc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5e33791dfcc6459e402a524669093cd953d5b2df",
              "status": "affected",
              "version": "11105693fa05f499532b330da65c78ff93ed4440",
              "versionType": "git"
            },
            {
              "lessThan": "33241f198287960bba5fc2251400896762650bfa",
              "status": "affected",
              "version": "11105693fa05f499532b330da65c78ff93ed4440",
              "versionType": "git"
            },
            {
              "lessThan": "3ea8b780d68f02fe235c5051ce8ac4b4940b9259",
              "status": "affected",
              "version": "11105693fa05f499532b330da65c78ff93ed4440",
              "versionType": "git"
            },
            {
              "lessThan": "6457162f74f45284ade2da644a4f0c54758ac0a6",
              "status": "affected",
              "version": "11105693fa05f499532b330da65c78ff93ed4440",
              "versionType": "git"
            },
            {
              "lessThan": "2b40bab362d2b598f34e5ccd4694cedc3c2553d4",
              "status": "affected",
              "version": "11105693fa05f499532b330da65c78ff93ed4440",
              "versionType": "git"
            },
            {
              "lessThan": "e64d6f1aae8c837cb3f0446bf44108226d7370f4",
              "status": "affected",
              "version": "11105693fa05f499532b330da65c78ff93ed4440",
              "versionType": "git"
            },
            {
              "lessThan": "add28e9988902d29ea93f4869280b4a16a049ea5",
              "status": "affected",
              "version": "11105693fa05f499532b330da65c78ff93ed4440",
              "versionType": "git"
            },
            {
              "lessThan": "f240f9b588f4e2de89822adebf560a96b5d263ed",
              "status": "affected",
              "version": "11105693fa05f499532b330da65c78ff93ed4440",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/atmel-ecc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.14"
            },
            {
              "lessThan": "4.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.270",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.221",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.188",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.157",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.110",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.52",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: atmel-ecc - reject hardware ECDH without a public key\n\nThe hardware ECDH path in atmel_ecdh_compute_shared_secret() uses the\nprivate key stored in the device. However, the public key is cached only\nafter atmel_ecdh_set_secret() successfully generated that private key\nfor the current tfm.\n\natmel_ecdh_generate_public_key() already rejects requests when no public\nkey is cached. Add the same check to atmel_ecdh_compute_shared_secret()\nto prevent the device from using a private key that was not generated\nfor the current tfm."
    }
  ],
  "id": "CVE-2026-93160",
  "lastModified": "2026-09-17T17:18:11.407",
  "metrics": {},
  "published": "2026-09-17T17:18:11.407",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2b40bab362d2b598f34e5ccd4694cedc3c2553d4"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/33241f198287960bba5fc2251400896762650bfa"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3ea8b780d68f02fe235c5051ce8ac4b4940b9259"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5e33791dfcc6459e402a524669093cd953d5b2df"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6457162f74f45284ade2da644a4f0c54758ac0a6"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/add28e9988902d29ea93f4869280b4a16a049ea5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e64d6f1aae8c837cb3f0446bf44108226d7370f4"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f240f9b588f4e2de89822adebf560a96b5d263ed"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



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