{"id":"CVE-2022-49590","summary":"igmp: Fix data-races around sysctl_igmp_llm_reports.","details":"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-\u003emultiaddr) &&\n      !READ_ONCE(net-\u003eipv4.sysctl_igmp_llm_reports))","modified":"2026-04-02T08:27:44.376307Z","published":"2025-02-26T02:23:23.604Z","related":["SUSE-SU-2025:01600-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49590.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1656ecaddf90e2a070ec2d2404cdae3edf80faca"},{"type":"WEB","url":"https://git.kernel.org/stable/c/260446eb8e5541402b271343a4516f2b33dec1e4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/46307adceb67bdf2ec38408dd9cebc378a6b5c46"},{"type":"WEB","url":"https://git.kernel.org/stable/c/473aad9ad57ff760005377e6f45a2ad4210e08ce"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a84b4afaca2573ed3aed1f8854aefe3ca5a82e72"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d77969e7d4ccc26bf1f414a39ef35050a83ba6d5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ed876e99ccf417b8bd7fd8408ba5e8b008e46cc8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f6da2267e71106474fbc0943dc24928b9cb79119"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49590.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49590"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77"},{"fixed":"a84b4afaca2573ed3aed1f8854aefe3ca5a82e72"},{"fixed":"d77969e7d4ccc26bf1f414a39ef35050a83ba6d5"},{"fixed":"ed876e99ccf417b8bd7fd8408ba5e8b008e46cc8"},{"fixed":"1656ecaddf90e2a070ec2d2404cdae3edf80faca"},{"fixed":"473aad9ad57ff760005377e6f45a2ad4210e08ce"},{"fixed":"260446eb8e5541402b271343a4516f2b33dec1e4"},{"fixed":"46307adceb67bdf2ec38408dd9cebc378a6b5c46"},{"fixed":"f6da2267e71106474fbc0943dc24928b9cb79119"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49590.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}