{"id":"CVE-2023-52755","summary":"ksmbd: fix slab out of bounds write in smb_inherit_dacl()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix slab out of bounds write in smb_inherit_dacl()\n\nslab out-of-bounds write is caused by that offsets is bigger than pntsd\nallocation size. This patch add the check to validate 3 offsets using\nallocation size.","modified":"2026-04-11T12:46:35.619903Z","published":"2024-05-21T15:30:42.898Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52755.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/09d9d8b40a3338193619c14ed4dc040f4f119e70"},{"type":"WEB","url":"https://git.kernel.org/stable/c/712e01f32e577e7e48ab0adb5fe550646a3d93cb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8387c94d73ec66eb597c7a23a8d9eadf64bfbafa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/aaf0a07d60887d6c36fc46a24de0083744f07819"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eebff19acaa35820cb09ce2ccb3d21bee2156ffb"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52755.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52755"},{"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":"aaf0a07d60887d6c36fc46a24de0083744f07819"},{"fixed":"8387c94d73ec66eb597c7a23a8d9eadf64bfbafa"},{"fixed":"09d9d8b40a3338193619c14ed4dc040f4f119e70"},{"fixed":"712e01f32e577e7e48ab0adb5fe550646a3d93cb"},{"fixed":"eebff19acaa35820cb09ce2ccb3d21bee2156ffb"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52755.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.15.0"},{"fixed":"5.15.140"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.64"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.5.13"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.6.0"},{"fixed":"6.6.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52755.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}