{"id":"CVE-2023-52522","summary":"net: fix possible store tearing in neigh_periodic_work()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix possible store tearing in neigh_periodic_work()\n\nWhile looking at a related syzbot report involving neigh_periodic_work(),\nI found that I forgot to add an annotation when deleting an\nRCU protected item from a list.\n\nReaders use rcu_deference(*np), we need to use either\nrcu_assign_pointer() or WRITE_ONCE() on writer side\nto prevent store tearing.\n\nI use rcu_assign_pointer() to have lockdep support,\nthis was the choice made in neigh_flush_dev().","modified":"2026-03-20T12:32:35.841330Z","published":"2024-03-02T21:52:29.710Z","related":["ALSA-2024:2394","ALSA-2024:7000","ALSA-2024:7001"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52522.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/147d89ee41434b97043c2dcb17a97dc151859baa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/25563b581ba3a1f263a00e8c9a97f5e7363be6fd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2ea52a2fb8e87067e26bbab4efb8872639240eb0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/95eabb075a5902f4c0834ab1fb12dc35730c05af"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a75152d233370362eebedb2643592e7c883cc9fc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f82aac8162871e87027692b36af335a2375d4580"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52522.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52522"},{"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":"767e97e1e0db0d0f3152cd2f3bd3403596aedbad"},{"fixed":"95eabb075a5902f4c0834ab1fb12dc35730c05af"},{"fixed":"2ea52a2fb8e87067e26bbab4efb8872639240eb0"},{"fixed":"147d89ee41434b97043c2dcb17a97dc151859baa"},{"fixed":"f82aac8162871e87027692b36af335a2375d4580"},{"fixed":"a75152d233370362eebedb2643592e7c883cc9fc"},{"fixed":"25563b581ba3a1f263a00e8c9a97f5e7363be6fd"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52522.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}