{"id":"CVE-2024-56750","summary":"erofs: fix blksize \u003c PAGE_SIZE for file-backed mounts","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix blksize \u003c PAGE_SIZE for file-backed mounts\n\nAdjust sb-\u003es_blocksize{,_bits} directly for file-backed\nmounts when the fs block size is smaller than PAGE_SIZE.\n\nPreviously, EROFS used sb_set_blocksize(), which caused\na panic if bdev-backed mounts is not used.","modified":"2026-08-12T03:51:47.118762085Z","published":"2024-12-29T11:30:16.053Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56750.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/679d8537e5748241c71ac97a6b6dc919eae31716"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bae0854160939a64a092516ff1b2f221402b843b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56750.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56750"},{"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":"fb176750266a3d7f42ebdcf28e8ba40350b27847"},{"fixed":"679d8537e5748241c71ac97a6b6dc919eae31716"},{"fixed":"bae0854160939a64a092516ff1b2f221402b843b"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56750.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.12.0"},{"fixed":"6.12.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56750.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}