{"schema_version":"1.9.0","id":"CVE-2022-48747","published":"2024-06-20T11:13:29.951Z","modified":"2026-08-12T03:51:49.030436884Z","related":["SUSE-SU-2024:2362-1","SUSE-SU-2024:2372-1","SUSE-SU-2024:2384-1","SUSE-SU-2024:2394-1","SUSE-SU-2024:2902-1","SUSE-SU-2024:2929-1","SUSE-SU-2024:2939-1"],"summary":"block: Fix wrong offset in bio_truncate()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nblock: Fix wrong offset in bio_truncate()\n\nbio_truncate() clears the buffer outside of last block of bdev, however\ncurrent bio_truncate() is using the wrong offset of page. So it can\nreturn the uninitialized data.\n\nThis happened when both of truncated/corrupted FS and userspace (via\nbdev) are trying to read the last of bdev.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"943cd69efac437d82a7aea0659fccbcc071730de"},{"fixed":"6cbf4c731d7812518cd857c2cfc3da9fd120f6ae"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"85a8ce62c2eabe28b9d76ca4eecf37922402df93"},{"fixed":"b63e120189fd92aff00096d11e2fc5253f60248b"},{"fixed":"4633a79ff8bc82770486a063a08b55e5162521d8"},{"fixed":"941d5180c430ce5b0f7a3622ef9b76077bfa3d82"},{"fixed":"3ee859e384d453d6ac68bfd5971f630d9fa46ad3"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.4.9"},{"fixed":"5.4.176"}]}],"versions":["v5.4.175","v5.4.174","v5.4.173","v5.4.172","v5.4.171","v5.4.170","v5.4.169","v5.4.168","v5.4.167","v5.4.166","v5.4.165","v5.4.164","v5.4.163","v5.4.162","v5.4.161","v5.4.160","v5.4.159","v5.4.158","v5.4.157","v5.4.156","v5.4.155","v5.4.154","v5.4.153","v5.4.152","v5.4.151","v5.4.150","v5.4.149","v5.4.148","v5.4.147","v5.4.146","v5.4.145","v5.4.144","v5.4.143","v5.4.142","v5.4.141","v5.4.140","v5.4.139","v5.4.138","v5.4.137","v5.4.136","v5.4.135","v5.4.134","v5.4.133","v5.4.132","v5.4.131","v5.4.130","v5.4.129","v5.4.128","v5.4.127","v5.4.126","v5.4.125","v5.4.124","v5.4.123","v5.4.122","v5.4.121","v5.4.120","v5.4.119","v5.4.118","v5.4.117","v5.4.116","v5.4.115","v5.4.114","v5.4.113","v5.4.112","v5.4.111","v5.4.110","v5.4.109","v5.4.108","v5.4.107","v5.4.106","v5.4.105","v5.4.104","v5.4.103","v5.4.102","v5.4.101","v5.4.100","v5.4.99","v5.4.98","v5.4.97","v5.4.96","v5.4.95","v5.4.94","v5.4.93","v5.4.92","v5.4.91","v5.4.90","v5.4.89","v5.4.88","v5.4.87","v5.4.86","v5.4.85","v5.4.84","v5.4.83","v5.4.82","v5.4.81","v5.4.80","v5.4.79","v5.4.78","v5.4.77","v5.4.76","v5.4.75","v5.4.74","v5.4.73","v5.4.72","v5.4.71","v5.4.70","v5.4.69","v5.4.68","v5.4.67","v5.4.66","v5.4.65","v5.4.64","v5.4.63","v5.4.62","v5.4.61","v5.4.60","v5.4.59","v5.4.58","v5.4.57","v5.4.56","v5.4.55","v5.4.54","v5.4.53","v5.4.52","v5.4.51","v5.4.50","v5.4.49","v5.4.48","v5.4.47","v5.4.46","v5.4.45","v5.4.44","v5.4.43","v5.4.42","v5.4.41","v5.4.40","v5.4.39","v5.4.38","v5.4.37","v5.4.36","v5.4.35","v5.4.34","v5.4.33","v5.4.32","v5.4.31","v5.4.30","v5.4.29","v5.4.28","v5.4.27","v5.4.26","v5.4.25","v5.4.24","v5.4.23","v5.4.22","v5.4.21","v5.4.20","v5.4.19","v5.4.18","v5.4.17","v5.4.16","v5.4.15","v5.4.14","v5.4.13","v5.4.12","v5.4.11","v5.4.10","v5.4.9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48747.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.176"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.96"},{"fixed":"5.15.19"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.16.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48747.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3ee859e384d453d6ac68bfd5971f630d9fa46ad3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4633a79ff8bc82770486a063a08b55e5162521d8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6cbf4c731d7812518cd857c2cfc3da9fd120f6ae"},{"type":"WEB","url":"https://git.kernel.org/stable/c/941d5180c430ce5b0f7a3622ef9b76077bfa3d82"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b63e120189fd92aff00096d11e2fc5253f60248b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48747.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48747"},{"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/2022/48xxx/CVE-2022-48747.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}