{"cve":"CVE-2026-64000","nvd":{"published":"2026-07-19T16:17:39.590","modified":"2026-10-19T21:17:17.830","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hsr: fix potential OOB access in supervision frame handling\n\nEnsure the entire TLV header is linearized before access by adding\nsizeof(struct hsr_sup_tlv) to the pskb_may_pull() calls. Without this,\na truncated frame could cause an out-of-bounds access.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-125"],"references":["https://git.kernel.org/stable/c/09a37dca090c55ffb1a33f52d8667f1c2367ef48","https://git.kernel.org/stable/c/71c986c0ba45b7dc574fae27c83e7b6671556f37","https://git.kernel.org/stable/c/78607a6854a22a2502f68092202e75a39af4865d","https://git.kernel.org/stable/c/a4b64f3e9c7b8259f7dd251a0313420ba7c01852","https://git.kernel.org/stable/c/f229426072fc865654a60978bb7fda790a051ff3"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-64000","score":0.00491,"percentile":0.41914,"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."]}