{"id":"CVE-2022-49637","summary":"ipv4: Fix a data-race around sysctl_fib_sync_mem.","details":"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.","modified":"2026-04-02T08:27:46.970257Z","published":"2025-02-26T02:23:46.711Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49637.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49637.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49637"},{"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":"9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f"},{"fixed":"7c1acd98fb221dc0d847451b9ab86319f8b9916c"},{"fixed":"418b191d5f223a8cb6cab09eae1f72c04ba6adf2"},{"fixed":"9be8aac91960ea32fd0e874758c9afee665c57d2"},{"fixed":"190cd4ff128373271e065afb20f1d2247b3f10c3"},{"fixed":"73318c4b7dbd0e781aaababff17376b2894745c0"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49637.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"}]}