{"id":"CVE-2026-43377","summary":"ksmbd: Don't log keys in SMB3 signing and encryption key generation","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.","modified":"2026-07-15T01:49:21.924767802Z","published":"2026-05-08T14:21:26.618Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43377.json"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9"},{"fixed":"4084ed720d7d5f4e975c9e4a6267a552dad3b24a"},{"fixed":"fec5c70b82af3f59f15bb984df94e5ad1fccfb1e"},{"fixed":"3fe2d9ec166b7df9a8df6c0fdcfc210572e27e3f"},{"fixed":"407cc37c21d51f9b9d4d20204b04890880cfa6ae"},{"fixed":"c6b01b997a2094969e315f1ebfc1d64b8ae2163d"},{"fixed":"441336115df26b966575de56daf7107ed474faed"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43377.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","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"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43377.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}]}