{"api_version":"1","generated_at":"2026-10-26T06:59:42+00:00","cve":"CVE-2026-92477","urls":{"html":"https://cve.report/CVE-2026-92477","api":"https://cve.report/api/cve/CVE-2026-92477.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-92477","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-92477"},"summary":{"title":"scsi: ufs: debugfs: Reserve space for a string terminator","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: debugfs: Reserve space for a string terminator\n\nufs_saved_err_write() copies user input into a zero-initialized stack\nbuffer and passes it to kstrtoint(). A write that fills the entire buffer\noverwrites its only terminator.\n\nReject an input whose length leaves no room for the trailing NUL.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:49","updated_at":"2026-10-19 09:19:38"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/abd26e6b53c4169122d61fdd4cabe09bdd916aac","name":"https://git.kernel.org/stable/c/abd26e6b53c4169122d61fdd4cabe09bdd916aac","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/587be18e0935632ebd367b0f89e37aa5762e400f","name":"https://git.kernel.org/stable/c/587be18e0935632ebd367b0f89e37aa5762e400f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2b3fb5693c25c21741f357a8c9d0e1f19b7e368f","name":"https://git.kernel.org/stable/c/2b3fb5693c25c21741f357a8c9d0e1f19b7e368f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cc92af8cc0e4dacd4375d34475141b0f1a70c09e","name":"https://git.kernel.org/stable/c/cc92af8cc0e4dacd4375d34475141b0f1a70c09e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b43890843e834300f967c69e74c7c2eb22cb1664","name":"https://git.kernel.org/stable/c/b43890843e834300f967c69e74c7c2eb22cb1664","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d223989e1a1edad217b673486b093bd157fb6c9a","name":"https://git.kernel.org/stable/c/d223989e1a1edad217b673486b093bd157fb6c9a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92477","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92477","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7340faae947400907e5e7581444712110d2811d5 b43890843e834300f967c69e74c7c2eb22cb1664 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7340faae947400907e5e7581444712110d2811d5 587be18e0935632ebd367b0f89e37aa5762e400f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7340faae947400907e5e7581444712110d2811d5 d223989e1a1edad217b673486b093bd157fb6c9a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7340faae947400907e5e7581444712110d2811d5 cc92af8cc0e4dacd4375d34475141b0f1a70c09e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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00:06:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/ufs/core/ufs-debugfs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b43890843e834300f967c69e74c7c2eb22cb1664","status":"affected","version":"7340faae947400907e5e7581444712110d2811d5","versionType":"git"},{"lessThan":"587be18e0935632ebd367b0f89e37aa5762e400f","status":"affected","version":"7340faae947400907e5e7581444712110d2811d5","versionType":"git"},{"lessThan":"d223989e1a1edad217b673486b093bd157fb6c9a","status":"affected","version":"7340faae947400907e5e7581444712110d2811d5","versionType":"git"},{"lessThan":"cc92af8cc0e4dacd4375d34475141b0f1a70c09e","status":"affected","version":"7340faae947400907e5e7581444712110d2811d5","versionType":"git"},{"lessThan":"2b3fb5693c25c21741f357a8c9d0e1f19b7e368f","status":"affected","version":"7340faae947400907e5e7581444712110d2811d5","versionType":"git"},{"lessThan":"abd26e6b53c4169122d61fdd4cabe09bdd916aac","status":"affected","version":"7340faae947400907e5e7581444712110d2811d5","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/ufs/core/ufs-debugfs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.16"},{"lessThan":"5.16","status":"unaffected","version":"0","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","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"5.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: debugfs: Reserve space for a string terminator\n\nufs_saved_err_write() copies user input into a zero-initialized stack\nbuffer and passes it to kstrtoint(). A write that fills the entire buffer\noverwrites its only terminator.\n\nReject an input whose length leaves no room for the trailing NUL."}],"providerMetadata":{"dateUpdated":"2026-10-19T09:03:43.608Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b43890843e834300f967c69e74c7c2eb22cb1664"},{"url":"https://git.kernel.org/stable/c/587be18e0935632ebd367b0f89e37aa5762e400f"},{"url":"https://git.kernel.org/stable/c/d223989e1a1edad217b673486b093bd157fb6c9a"},{"url":"https://git.kernel.org/stable/c/cc92af8cc0e4dacd4375d34475141b0f1a70c09e"},{"url":"https://git.kernel.org/stable/c/2b3fb5693c25c21741f357a8c9d0e1f19b7e368f"},{"url":"https://git.kernel.org/stable/c/abd26e6b53c4169122d61fdd4cabe09bdd916aac"}],"title":"scsi: ufs: debugfs: Reserve space for a string terminator","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-92477","datePublished":"2026-09-17T16:09:55.741Z","dateReserved":"2026-09-16T12:21:13.870Z","dateUpdated":"2026-10-19T09:03:43.608Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:49","lastModifiedDate":"2026-10-19 09:19:38","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"92477","Ordinal":"1","Title":"scsi: ufs: debugfs: Reserve space for a string terminator","CVE":"CVE-2026-92477","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"92477","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: debugfs: Reserve space for a string terminator\n\nufs_saved_err_write() copies user input into a zero-initialized stack\nbuffer and passes it to kstrtoint(). A write that fills the entire buffer\noverwrites its only terminator.\n\nReject an input whose length leaves no room for the trailing NUL.","Type":"Description","Title":"scsi: ufs: debugfs: Reserve space for a string terminator"}]}}}