{"id":"CVE-2022-49630","summary":"tcp: Fix a data-race around sysctl_tcp_ecn_fallback.","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix a data-race around sysctl_tcp_ecn_fallback.\n\nWhile reading sysctl_tcp_ecn_fallback, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its reader.","modified":"2026-04-11T12:44:20.457038Z","published":"2025-02-26T02:23:43.249Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49630.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/12b8d9ca7e678abc48195294494f1815b555d658"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1ec3d6c2626ee6e1b36b7bd006873a271406ba61"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8bcf7339f2cf70ea4461df6ea045d1aadfabfa11"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49630.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49630"},{"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":"492135557dc090a1abb2cfbe1a412757e3ed68ab"},{"fixed":"8bcf7339f2cf70ea4461df6ea045d1aadfabfa11"},{"fixed":"1ec3d6c2626ee6e1b36b7bd006873a271406ba61"},{"fixed":"12b8d9ca7e678abc48195294494f1815b555d658"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49630.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"5.15.56"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"5.18.13"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49630.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"}]}