{"id":"CVE-2026-92477","summary":"scsi: ufs: debugfs: Reserve space for a string terminator","details":"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.","modified":"2026-09-19T03:47:29.410753700Z","published":"2026-09-17T16:09:55.741Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92477.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2b3fb5693c25c21741f357a8c9d0e1f19b7e368f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/587be18e0935632ebd367b0f89e37aa5762e400f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/abd26e6b53c4169122d61fdd4cabe09bdd916aac"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b43890843e834300f967c69e74c7c2eb22cb1664"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cc92af8cc0e4dacd4375d34475141b0f1a70c09e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d223989e1a1edad217b673486b093bd157fb6c9a"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92477.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92477"},{"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":"7340faae947400907e5e7581444712110d2811d5"},{"fixed":"b43890843e834300f967c69e74c7c2eb22cb1664"},{"fixed":"587be18e0935632ebd367b0f89e37aa5762e400f"},{"fixed":"d223989e1a1edad217b673486b093bd157fb6c9a"},{"fixed":"cc92af8cc0e4dacd4375d34475141b0f1a70c09e"},{"fixed":"2b3fb5693c25c21741f357a8c9d0e1f19b7e368f"},{"fixed":"abd26e6b53c4169122d61fdd4cabe09bdd916aac"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92477.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.188"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.157"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.110"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.52"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92477.json"}}],"schema_version":"1.9.0"}