{"id":"CVE-2023-52522","title":"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 anno…","summary":"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 anno…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 2.6.37, < 5.4.258","linux_kernel >= 5.5, < 5.10.198","linux_kernel >= 5.11, < 5.15.135","linux_kernel >= 5.16, < 6.1.57","linux_kernel >= 6.2, < 6.5.7","linux_kernel = 6.6"],"patched":["linux_kernel 6.5.7"],"published":"2024-03-02","updated":"2026-08-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-52522","references":[{"url":"https://git.kernel.org/stable/c/147d89ee41434b97043c2dcb17a97dc151859baa","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/25563b581ba3a1f263a00e8c9a97f5e7363be6fd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2ea52a2fb8e87067e26bbab4efb8872639240eb0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/95eabb075a5902f4c0834ab1fb12dc35730c05af","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a75152d233370362eebedb2643592e7c883cc9fc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f82aac8162871e87027692b36af335a2375d4580","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/147d89ee41434b97043c2dcb17a97dc151859baa","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/25563b581ba3a1f263a00e8c9a97f5e7363be6fd","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/2ea52a2fb8e87067e26bbab4efb8872639240eb0","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/95eabb075a5902f4c0834ab1fb12dc35730c05af","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/a75152d233370362eebedb2643592e7c883cc9fc","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/f82aac8162871e87027692b36af335a2375d4580","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00332,"epssPercentile":0.26633,"ingestedAt":"2026-08-05T05:58:02.151Z","slug":"CVE-2023-52522","body":"## Overview\n\nIn 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().\n\n## Affected\n\n- `linux_kernel >= 2.6.37, < 5.4.258`\n- `linux_kernel >= 5.5, < 5.10.198`\n- `linux_kernel >= 5.11, < 5.15.135`\n- `linux_kernel >= 5.16, < 6.1.57`\n- `linux_kernel >= 6.2, < 6.5.7`\n- `linux_kernel = 6.6`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.5.7`","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}