{"id":"CVE-2026-23303","state":"PUBLISHED","title":"smb: client: Don't log plaintext credentials in cifs_set_cifscreds","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Don't log plaintext credentials in cifs_set_cifscreds\n\nWhen debug logging is enabled, cifs_set_cifscreds() logs the key\npayload and exposes the plaintext username and password. Remove the\ndebug log to avoid exposing credentials.","publishedAt":"2026-03-25T10:26:58.166Z","updatedAt":"2026-10-15T01:13:52.569Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"e5a3b11e07b335006371915b2da47b6056c9e3bc","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"54c570de9a35860dfa85fe668f23ddfda8cc7e26","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"ff0ece8ed04180c52167c003362284b23cf54e8d","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"3990f352bb0adc8688d0949a9c13e3110570eb61","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"b746a357abfb8fdb0a171d51ec5091e786d34be1","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"3e182701db612ddd794ccd5ed822e6cc1db2b972","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/connect.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.3","versionType":"semver"},{"version":"5.10.253","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.167","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.77","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/connect.c"]}],"references":["https://git.kernel.org/stable/c/e5a3b11e07b335006371915b2da47b6056c9e3bc","https://git.kernel.org/stable/c/54c570de9a35860dfa85fe668f23ddfda8cc7e26","https://git.kernel.org/stable/c/ff0ece8ed04180c52167c003362284b23cf54e8d","https://git.kernel.org/stable/c/3990f352bb0adc8688d0949a9c13e3110570eb61","https://git.kernel.org/stable/c/b746a357abfb8fdb0a171d51ec5091e786d34be1","https://git.kernel.org/stable/c/2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1","https://git.kernel.org/stable/c/3e182701db612ddd794ccd5ed822e6cc1db2b972","https://git.kernel.org/stable/c/2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d","https://cert-portal.siemens.com/productcert/html/ssa-784472.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23303.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23303","state":"PUBLISHED","datePublished":"2026-03-25T10:26:58.166Z","dateUpdated":"2026-10-15T01:13:52.569Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.993Z"},"containers":{"cna":{"title":"smb: client: Don't log plaintext credentials in cifs_set_cifscreds","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Don't log plaintext credentials in cifs_set_cifscreds\n\nWhen debug logging is enabled, cifs_set_cifscreds() logs the key\npayload and exposes the plaintext username and password. Remove the\ndebug log to avoid exposing credentials."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"e5a3b11e07b335006371915b2da47b6056c9e3bc","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"54c570de9a35860dfa85fe668f23ddfda8cc7e26","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"ff0ece8ed04180c52167c003362284b23cf54e8d","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"3990f352bb0adc8688d0949a9c13e3110570eb61","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"b746a357abfb8fdb0a171d51ec5091e786d34be1","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"3e182701db612ddd794ccd5ed822e6cc1db2b972","versionType":"git"},{"version":"8a8798a5ff90977d6459ce1d657cf8fe13a51e97","status":"affected","lessThan":"2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/connect.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.3","versionType":"semver"},{"version":"5.10.253","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.167","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.77","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/connect.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e5a3b11e07b335006371915b2da47b6056c9e3bc"},{"url":"https://git.kernel.org/stable/c/54c570de9a35860dfa85fe668f23ddfda8cc7e26"},{"url":"https://git.kernel.org/stable/c/ff0ece8ed04180c52167c003362284b23cf54e8d"},{"url":"https://git.kernel.org/stable/c/3990f352bb0adc8688d0949a9c13e3110570eb61"},{"url":"https://git.kernel.org/stable/c/b746a357abfb8fdb0a171d51ec5091e786d34be1"},{"url":"https://git.kernel.org/stable/c/2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1"},{"url":"https://git.kernel.org/stable/c/3e182701db612ddd794ccd5ed822e6cc1db2b972"},{"url":"https://git.kernel.org/stable/c/2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:04:16.573Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.10.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.1.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.12.77"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.18.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.19.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - 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