{"cve":"CVE-2021-46911","nvd":{"published":"2024-02-27T07:15:07.480","modified":"2026-08-04T10:16:36.073","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nch_ktls: Fix kernel panic\n\nTaking page refcount is not ideal and causes kernel panic\nsometimes. It's better to take tx_ctx lock for the complete\nskb transmit, to avoid page cleanup if ACK received in middle.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10","https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f","https://git.kernel.org/stable/c/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f","https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10","https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2021-46911","score":0.00599,"percentile":0.48665,"date":"2026-11-01"},"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."]}