{"id":"CVE-2026-23232","summary":"Revert \"f2fs: block cache/dio write during f2fs_enable_checkpoint()\"","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"f2fs: block cache/dio write during f2fs_enable_checkpoint()\"\n\nThis reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a.\n\nOriginal patch may cause below deadlock, revert it.\n\nwrite\t\t\t\tremount\n- write_begin\n - lock_page  --- lock A\n - prepare_write_begin\n  - f2fs_map_lock\n\t\t\t\t- f2fs_enable_checkpoint\n\t\t\t\t - down_write(cp_enable_rwsem)  --- lock B\n\t\t\t\t - sync_inode_sb\n\t\t\t\t  - writepages\n\t\t\t\t   - lock_page\t\t\t--- lock A\n   - down_read(cp_enable_rwsem)  --- lock A","modified":"2026-04-02T13:12:16.013888Z","published":"2026-03-04T14:36:37.323Z","related":["openSUSE-SU-2026:10387-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23232.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3996b70209f145bfcf2afc7d05dd92c27b233b48"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b6382273801bc7c778545dd8004c9a9d750b4f62"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23232.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23232"},{"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":"196c81fdd438f7ac429d5639090a9816abb9760a"},{"fixed":"b6382273801bc7c778545dd8004c9a9d750b4f62"},{"fixed":"3996b70209f145bfcf2afc7d05dd92c27b233b48"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23232.json"}}],"schema_version":"1.7.5"}