{"id":"CVE-2023-32233","details":"In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled.","modified":"2026-05-01T04:19:13.296737Z","published":"2023-05-08T00:00:00Z","related":["ALSA-2023:3349","ALSA-2023:3350","ALSA-2023:3708","ALSA-2023:3723","SUSE-SU-2023:2500-1","SUSE-SU-2023:2502-1","SUSE-SU-2023:2611-1","SUSE-SU-2023:2646-1","SUSE-SU-2023:2651-1","SUSE-SU-2023:2653-1","SUSE-SU-2023:2782-1","SUSE-SU-2023:2809-1","SUSE-SU-2023:2871-1","SUSE-SU-2023:3594-1","SUSE-SU-2023:3595-1","SUSE-SU-2023:3607-1","SUSE-SU-2023:3612-1","SUSE-SU-2023:3620-1","SUSE-SU-2023:3623-1","SUSE-SU-2023:3627-1","SUSE-SU-2023:3628-1","SUSE-SU-2023:3630-1","SUSE-SU-2023:3644-1","SUSE-SU-2023:3647-1","SUSE-SU-2023:3648-1","SUSE-SU-2023:3668-1","SUSE-SU-2023:3671-1","SUSE-SU-2023:3675-1"],"database_specific":{"unresolved_ranges":[{"source":"DESCRIPTION","extracted_events":[{"fixed":"6.3.1"}]}],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/32xxx/CVE-2023-32233.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html"},{"type":"WEB","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1592a89942e9678f7d9c8030efa777c0d57edab"},{"type":"WEB","url":"https://news.ycombinator.com/item?id=35879660"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2023/05/08/4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/32xxx/CVE-2023-32233.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-32233"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230616-0002/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5402"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2196105"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/c1592a89942e9678f7d9c8030efa777c0d57edab"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2023/05/15/5"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git","events":[{"introduced":"0"},{"fixed":"c1592a89942e9678f7d9c8030efa777c0d57edab"}],"database_specific":{"source":"REFERENCES"}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-32233.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/torvalds/linux","events":[{"introduced":"0"},{"fixed":"c1592a89942e9678f7d9c8030efa777c0d57edab"}],"database_specific":{"source":"REFERENCES"}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-32233.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:H/I:H/A:H"}]}