{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9"
            },
            {
              "fixed": "4084ed720d7d5f4e975c9e4a6267a552dad3b24a"
            },
            {
              "fixed": "fec5c70b82af3f59f15bb984df94e5ad1fccfb1e"
            },
            {
              "fixed": "3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3f"
            },
            {
              "fixed": "407cc37c21d51f9b9d4d20204b04890880cfa6ae"
            },
            {
              "fixed": "c6b01b997a2094969e315f1ebfc1d64b8ae2163d"
            },
            {
              "fixed": "441336115df26b966575de56daf7107ed474faed"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.15.0"
            },
            {
              "fixed": "6.1.167"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.130"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.78"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.20"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43377.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: Don't log keys in SMB3 signing and encryption key generation\n\nWhen KSMBD_DEBUG_AUTH logging is enabled, generate_smb3signingkey() and\ngenerate_smb3encryptionkey() log the session, signing, encryption, and\ndecryption key bytes. Remove the logs to avoid exposing credentials.",
  "id": "CVE-2026-43377",
  "modified": "2026-07-08T05:36:50.898724567Z",
  "published": "2026-05-08T14:21:26.618Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/407cc37c21d51f9b9d4d20204b04890880cfa6ae"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4084ed720d7d5f4e975c9e4a6267a552dad3b24a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/441336115df26b966575de56daf7107ed474faed"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c6b01b997a2094969e315f1ebfc1d64b8ae2163d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fec5c70b82af3f59f15bb984df94e5ad1fccfb1e"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43377.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43377"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ksmbd: Don't log keys in SMB3 signing and encryption key generation"
}