{"cve":"CVE-2022-49637","nvd":{"published":"2025-02-26T07:01:38.920","modified":"2026-06-17T05:18:42.370","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: Fix a data-race around sysctl_fib_sync_mem.\n\nWhile reading sysctl_fib_sync_mem, it can be changed concurrently.\nSo, we need to add READ_ONCE() to avoid a data-race.","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/190cd4ff128373271e065afb20f1d2247b3f10c3","https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2","https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0","https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916c","https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49637","score":0.0018,"percentile":0.07568,"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."]}