{"cve":"CVE-2022-49590","nvd":{"published":"2025-02-26T07:01:34.573","modified":"2026-06-17T05:18:33.380","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nigmp: Fix data-races around sysctl_igmp_llm_reports.\n\nWhile reading sysctl_igmp_llm_reports, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its readers.\n\nThis test can be packed into a helper, so such changes will be in the\nfollow-up series after net is merged into net-next.\n\n  if (ipv4_is_local_multicast(pmc->multiaddr) &&\n      !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))","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/1656ecaddf90e2a070ec2d2404cdae3edf80faca","https://git.kernel.org/stable/c/260446eb8e5541402b271343a4516f2b33dec1e4","https://git.kernel.org/stable/c/46307adceb67bdf2ec38408dd9cebc378a6b5c46","https://git.kernel.org/stable/c/473aad9ad57ff760005377e6f45a2ad4210e08ce","https://git.kernel.org/stable/c/a84b4afaca2573ed3aed1f8854aefe3ca5a82e72"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49590","score":0.00186,"percentile":0.08247,"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."]}