{"id":"CVE-2022-49577","summary":"udp: Fix a data-race around sysctl_udp_l3mdev_accept.","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nudp: Fix a data-race around sysctl_udp_l3mdev_accept.\n\nWhile reading sysctl_udp_l3mdev_accept, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its reader.","modified":"2026-04-02T08:27:44.015774Z","published":"2025-02-26T02:23:17.120Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49577.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3d72bb4188c708bb16758c60822fc4dda7a95174"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3f2ac2d6511bb0652abf4d7388d65bb9ff1c641c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cb0d28934ca10f99c47e2c6f451405d6c954fe48"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f39b03bd727a8fea62e82f10fe2e0d753b9930ff"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fcaef69c79ec222e55643e666b80b221e70fa6a8"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49577.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49577"},{"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":"63a6fff353d01da5a22b72670c434bf12fa0e3b8"},{"fixed":"f39b03bd727a8fea62e82f10fe2e0d753b9930ff"},{"fixed":"fcaef69c79ec222e55643e666b80b221e70fa6a8"},{"fixed":"3f2ac2d6511bb0652abf4d7388d65bb9ff1c641c"},{"fixed":"cb0d28934ca10f99c47e2c6f451405d6c954fe48"},{"fixed":"3d72bb4188c708bb16758c60822fc4dda7a95174"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49577.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"}]}