{"id":"CVE-2022-49587","summary":"tcp: Fix a data-race around sysctl_tcp_notsent_lowat.","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: Fix a data-race around sysctl_tcp_notsent_lowat.\n\nWhile reading sysctl_tcp_notsent_lowat, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its reader.","modified":"2026-04-02T08:27:44.252997Z","published":"2025-02-26T02:23:22.049Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49587.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0f75343584ee474303e17efe0610bdd170af1d13"},{"type":"WEB","url":"https://git.kernel.org/stable/c/55be873695ed8912eb77ff46d1d1cadf028bd0f3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/62e56cfeb2ae4b53ae9ca24c80f54093250ce64a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/80d4d0c461674eea87f0977e12a2ecd334b9b79c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/91e21df688f8a75255ca9c459da39ac96300113a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c1b85c5a34294f7444c13bf828e0e84b0a0eed85"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e9362a993886613ef0284c2a4911c6017c97d803"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fd6f1284e380c377932186042ff0b5c987fb2b92"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49587.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49587"},{"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":"c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36"},{"fixed":"91e21df688f8a75255ca9c459da39ac96300113a"},{"fixed":"c1b85c5a34294f7444c13bf828e0e84b0a0eed85"},{"fixed":"0f75343584ee474303e17efe0610bdd170af1d13"},{"fixed":"e9362a993886613ef0284c2a4911c6017c97d803"},{"fixed":"fd6f1284e380c377932186042ff0b5c987fb2b92"},{"fixed":"80d4d0c461674eea87f0977e12a2ecd334b9b79c"},{"fixed":"62e56cfeb2ae4b53ae9ca24c80f54093250ce64a"},{"fixed":"55be873695ed8912eb77ff46d1d1cadf028bd0f3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49587.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"}]}