{"id":"CVE-2026-43208","summary":"net: do not pass flow_id to set_rps_cpu()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: do not pass flow_id to set_rps_cpu()\n\nBlamed commit made the assumption that the RPS table for each receive\nqueue would have the same size, and that it would not change.\n\nCompute flow_id in set_rps_cpu(), do not assume we can use the value\ncomputed by get_rps_cpu(). Otherwise we risk out-of-bound access\nand/or crashes.","modified":"2026-07-08T08:13:28.590763430Z","published":"2026-05-06T11:28:12.292Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43208.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/5455a232edea6b946b99449f15ca771a8874a5a6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8a8a9fac9efa6423fd74938b940cb7d731780718"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ed712dc0d64dee5f0d05e4d8ca57711f8a9c850c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43208.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43208"},{"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":"48aa30443e52c9666d5cd5e67532e475f212337e"},{"fixed":"5455a232edea6b946b99449f15ca771a8874a5a6"},{"fixed":"ed712dc0d64dee5f0d05e4d8ca57711f8a9c850c"},{"fixed":"8a8a9fac9efa6423fd74938b940cb7d731780718"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43208.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.18.0"},{"fixed":"6.18.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43208.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}