{"schema_version":"1.9.0","id":"CVE-2023-52436","published":"2024-02-20T18:34:47.387Z","modified":"2026-08-17T03:36:09.014232232Z","summary":"f2fs: explicitly null-terminate the xattr list","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: explicitly null-terminate the xattr list\n\nWhen setting an xattr, explicitly null-terminate the xattr list.  This\neliminates the fragile assumption that the unused xattr space is always\nzeroed.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"af48b85b8cd3fbb12c9b6759c16db6d69c0b03da"},{"fixed":"16ae3132ff7746894894927c1892493693b89135"},{"fixed":"12cf91e23b126718a96b914f949f2cdfeadc7b2a"},{"fixed":"3e47740091b05ac8d7836a33afd8646b6863ca52"},{"fixed":"32a6cfc67675ee96fe107aeed5af9776fec63f11"},{"fixed":"5de9e9dd1828db9b8b962f7ca42548bd596deb8a"},{"fixed":"2525d1ba225b5c167162fa344013c408e8b4de36"},{"fixed":"f6c30bfe5a49bc38cae985083a11016800708fea"},{"fixed":"e26b6d39270f5eab0087453d9b544189a38c8564"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52436.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.8.0"},{"fixed":"4.19.306"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.268"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.148"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.74"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.13"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.7.1"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52436.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/12cf91e23b126718a96b914f949f2cdfeadc7b2a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/16ae3132ff7746894894927c1892493693b89135"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2525d1ba225b5c167162fa344013c408e8b4de36"},{"type":"WEB","url":"https://git.kernel.org/stable/c/32a6cfc67675ee96fe107aeed5af9776fec63f11"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3e47740091b05ac8d7836a33afd8646b6863ca52"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5de9e9dd1828db9b8b962f7ca42548bd596deb8a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e26b6d39270f5eab0087453d9b544189a38c8564"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f6c30bfe5a49bc38cae985083a11016800708fea"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52436.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52436"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52436.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}