{"id":"CVE-2023-52479","summary":"ksmbd: fix uaf in smb20_oplock_break_ack","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix uaf in smb20_oplock_break_ack\n\ndrop reference after use opinfo.","modified":"2026-04-11T12:46:31.337489Z","published":"2024-02-29T05:43:11.373Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52479.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/694e13732e830cbbfedb562e57f28644927c33fd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8226ffc759ea59f10067b9acdf7f94bae1c69930"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c69813471a1ec081a0b9bf0c6bd7e8afd818afce"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d5b0e9d3563e7e314a850e81f42b2ef6f39882f9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52479.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52479"},{"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":"0626e6641f6b467447c81dd7678a69c66f7746cf"},{"fixed":"694e13732e830cbbfedb562e57f28644927c33fd"},{"fixed":"8226ffc759ea59f10067b9acdf7f94bae1c69930"},{"fixed":"d5b0e9d3563e7e314a850e81f42b2ef6f39882f9"},{"fixed":"c69813471a1ec081a0b9bf0c6bd7e8afd818afce"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52479.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.15.0"},{"fixed":"5.15.135"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.57"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.5.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52479.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:N/A:H"}]}