{"cve":"CVE-2026-89794","nvd":{"published":"2026-09-16T11:16:44.197","modified":"2026-10-21T13:20:26.830","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: zero pipe read compound padding\n\nCompound response handling extends the last response iov to an eight-byte\nboundary.\n\nsmb2_read_pipe() allocates only the payload size, so the alignment padding\ncan expose up to seven bytes of uninitialized kernel heap memory.\n\nAllocate the aligned size and clear the unused tail before pinning the\nresponse buffer.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/134d980491b435e5cdb3171225e2506ff17867d1","https://git.kernel.org/stable/c/73f860489e3be2245598d1819226304fc5b87291","https://git.kernel.org/stable/c/be15b8da4a82cf1e1f9880b2661b90770606eec1","https://git.kernel.org/stable/c/d83a9de7cecd401c3d3e00ed6371194dcd7313e4","https://git.kernel.org/stable/c/f188a400dd5285fec5a84548fe8dca49eee01155"],"products":[],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-89794","score":0.00209,"percentile":0.10941,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}