{"cve":"CVE-2022-49586","nvd":{"published":"2025-02-26T07:01:34.167","modified":"2026-06-17T05:18:32.490","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix data-races around sysctl_tcp_fastopen.\n\nWhile reading sysctl_tcp_fastopen, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its readers.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","score":4.7},"cwes":["CWE-362"],"references":["https://git.kernel.org/stable/c/03da610696a32578fc4f986479341ce9d430df08","https://git.kernel.org/stable/c/22938534c611136f35e2ca545bb668073ca5ef49","https://git.kernel.org/stable/c/25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cc","https://git.kernel.org/stable/c/448ab998947996a0a451f8229f19087964cf2670","https://git.kernel.org/stable/c/539d9ab79eba3974b479cad61a8688c41fe62e12"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49586","score":0.00186,"percentile":0.08246,"date":"2026-10-31"},"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."]}