{"id":"CVE-2024-46681","title":"pktgen: use cpus_read_lock() in pg_net_init()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\npktgen: use cpus_read_lock() in pg_net_init()\n\nI have seen the WARN_ON(smp_processor_id() != cpu) firing\nin pktgen_thread_worker() during tests.\n\nWe must use cpus_read_…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1b4fe364b561b952dd7beeba7f7616f9a419b83a","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7eed5b3115ce9e057bf64c3f6be9ea72f8298e4e","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5f5f7366dda8ae870e8305d6e7b3c0c2686cd2cf","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 979b581e4c69257acab1af415ddad6b2d78a2fa5","Linux 2.6.12"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-09-29T15:09:32.507756Z"},"published":"2024-09-13","updated":"2026-10-30","sourceUpdated":"2026-10-30T12:19:12.977Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-46681","references":[{"url":"https://git.kernel.org/stable/c/1b4fe364b561b952dd7beeba7f7616f9a419b83a"},{"url":"https://git.kernel.org/stable/c/7eed5b3115ce9e057bf64c3f6be9ea72f8298e4e"},{"url":"https://git.kernel.org/stable/c/5f5f7366dda8ae870e8305d6e7b3c0c2686cd2cf"},{"url":"https://git.kernel.org/stable/c/979b581e4c69257acab1af415ddad6b2d78a2fa5"}],"tags":["cve.org"],"epss":0.00278,"epssPercentile":0.2022,"ingestedAt":"2026-10-21T12:48:53.731Z","slug":"CVE-2024-46681","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\npktgen: use cpus_read_lock() in pg_net_init()\n\nI have seen the WARN_ON(smp_processor_id() != cpu) firing\nin pktgen_thread_worker() during tests.\n\nWe must use cpus_read_lock()/cpus_read_unlock()\naround the for_each_online_cpu(cpu) loop.\n\nWhile we are at it use WARN_ON_ONCE() to avoid a possible syslog flood.\n\n## Affected\n\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1b4fe364b561b952dd7beeba7f7616f9a419b83a`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7eed5b3115ce9e057bf64c3f6be9ea72f8298e4e`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5f5f7366dda8ae870e8305d6e7b3c0c2686cd2cf`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 979b581e4c69257acab1af415ddad6b2d78a2fa5`\n- `Linux 2.6.12`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}