Vulnerability-Lookup

GHSA-66F6-QXV2-C6GR

Vulnerability from github – Published: 2026-06-08 18:31 – Updated: 2026-06-08 18:31

Details

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

crypto: caam - guard HMAC key hex dumps in hash_digest_key

Use print_hex_dump_devel() for dumping sensitive HMAC key bytes in hash_digest_key() to avoid leaking secrets at runtime when CONFIG_DYNAMIC_DEBUG is enabled.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-46291"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-08T17:16:47Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: caam - guard HMAC key hex dumps in hash_digest_key\n\nUse print_hex_dump_devel() for dumping sensitive HMAC key bytes in\nhash_digest_key() to avoid leaking secrets at runtime when\nCONFIG_DYNAMIC_DEBUG is enabled.",
  "id": "GHSA-66f6-qxv2-c6gr",
  "modified": "2026-06-08T18:31:52Z",
  "published": "2026-06-08T18:31:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46291"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/177730a273b18e195263ed953853273e901b5064"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2adbfca7452eeac45117b8e803288a2767f7075f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5cffe3c136891aa4d579bf5c079a68f7cb371b0c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b8f12d9b00c1950779e5679b9c13908584682bb6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c7e52fe3f7901ccb9cd29b3f7c683d809ba87e48"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-46291 (GCVE-0-2026-46291)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:46 – Updated: 2026-06-14 18:06

Title

crypto: caam - guard HMAC key hex dumps in hash_digest_key

Summary

In the Linux kernel, the following vulnerability has been resolved: crypto: caam - guard HMAC key hex dumps in hash_digest_key Use print_hex_dump_devel() for dumping sensitive HMAC key bytes in hash_digest_key() to avoid leaking secrets at runtime when CONFIG_DYNAMIC_DEBUG is enabled.

Severity

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/2adbfca7452eeac45…
https://git.kernel.org/stable/c/c7e52fe3f7901ccb9…
https://git.kernel.org/stable/c/5cffe3c136891aa4d…
https://git.kernel.org/stable/c/b8f12d9b00c195077…
https://git.kernel.org/stable/c/177730a273b18e195…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 045e36780f11523e26d1e4a8c78bdc57f4003bd0 , < 2adbfca7452eeac45117b8e803288a2767f7075f (git) Affected: 045e36780f11523e26d1e4a8c78bdc57f4003bd0 , < c7e52fe3f7901ccb9cd29b3f7c683d809ba87e48 (git) Affected: 045e36780f11523e26d1e4a8c78bdc57f4003bd0 , < 5cffe3c136891aa4d579bf5c079a68f7cb371b0c (git) Affected: 045e36780f11523e26d1e4a8c78bdc57f4003bd0 , < b8f12d9b00c1950779e5679b9c13908584682bb6 (git) Affected: 045e36780f11523e26d1e4a8c78bdc57f4003bd0 , < 177730a273b18e195263ed953853273e901b5064 (git)
Linux	Linux	Affected: 3.6 Unaffected: 0 , < 3.6 (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.88 , ≤ 6.12.* (semver) Unaffected: 6.18.30 , ≤ 6.18.* (semver) Unaffected: 7.0.7 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/caam/caamalg_qi2.c",
            "drivers/crypto/caam/caamhash.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "2adbfca7452eeac45117b8e803288a2767f7075f",
              "status": "affected",
              "version": "045e36780f11523e26d1e4a8c78bdc57f4003bd0",
              "versionType": "git"
            },
            {
              "lessThan": "c7e52fe3f7901ccb9cd29b3f7c683d809ba87e48",
              "status": "affected",
              "version": "045e36780f11523e26d1e4a8c78bdc57f4003bd0",
              "versionType": "git"
            },
            {
              "lessThan": "5cffe3c136891aa4d579bf5c079a68f7cb371b0c",
              "status": "affected",
              "version": "045e36780f11523e26d1e4a8c78bdc57f4003bd0",
              "versionType": "git"
            },
            {
              "lessThan": "b8f12d9b00c1950779e5679b9c13908584682bb6",
              "status": "affected",
              "version": "045e36780f11523e26d1e4a8c78bdc57f4003bd0",
              "versionType": "git"
            },
            {
              "lessThan": "177730a273b18e195263ed953853273e901b5064",
              "status": "affected",
              "version": "045e36780f11523e26d1e4a8c78bdc57f4003bd0",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/caam/caamalg_qi2.c",
            "drivers/crypto/caam/caamhash.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.6"
            },
            {
              "lessThan": "3.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.88",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.140",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.88",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "3.6",
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                },
                {
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                },
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                  "versionEndExcluding": "7.1",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: caam - guard HMAC key hex dumps in hash_digest_key\n\nUse print_hex_dump_devel() for dumping sensitive HMAC key bytes in\nhash_digest_key() to avoid leaking secrets at runtime when\nCONFIG_DYNAMIC_DEBUG is enabled."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-14T18:06:52.027Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2adbfca7452eeac45117b8e803288a2767f7075f"
        },
        {
          "url": "https://git.kernel.org/stable/c/c7e52fe3f7901ccb9cd29b3f7c683d809ba87e48"
        },
        {
          "url": "https://git.kernel.org/stable/c/5cffe3c136891aa4d579bf5c079a68f7cb371b0c"
        },
        {
          "url": "https://git.kernel.org/stable/c/b8f12d9b00c1950779e5679b9c13908584682bb6"
        },
        {
          "url": "https://git.kernel.org/stable/c/177730a273b18e195263ed953853273e901b5064"
        }
      ],
      "title": "crypto: caam - guard HMAC key hex dumps in hash_digest_key",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46291",
    "datePublished": "2026-06-08T15:46:18.317Z",
    "dateReserved": "2026-05-13T15:03:33.110Z",
    "dateUpdated": "2026-06-14T18:06:52.027Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-66F6-QXV2-C6GR

CVE-2026-46291 (GCVE-0-2026-46291)

Tags

Sightings

Nomenclature