{"id":"CVE-2022-49318","summary":"f2fs: remove WARN_ON in f2fs_is_valid_blkaddr","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: remove WARN_ON in f2fs_is_valid_blkaddr\n\nSyzbot triggers two WARNs in f2fs_is_valid_blkaddr and\n__is_bitmap_valid. For example, in f2fs_is_valid_blkaddr,\nif type is DATA_GENERIC_ENHANCE or DATA_GENERIC_ENHANCE_READ,\nit invokes WARN_ON if blkaddr is not in the right range.\nThe call trace is as follows:\n\n f2fs_get_node_info+0x45f/0x1070\n read_node_page+0x577/0x1190\n __get_node_page.part.0+0x9e/0x10e0\n __get_node_page\n f2fs_get_node_page+0x109/0x180\n do_read_inode\n f2fs_iget+0x2a5/0x58b0\n f2fs_fill_super+0x3b39/0x7ca0\n\nFix these two WARNs by replacing WARN_ON with dump_stack.","modified":"2026-08-17T03:36:27.408071554Z","published":"2025-02-26T02:10:44.557Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49318.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0a7a1fc7e71eecf2e5053a6c312c9f0dcbb9b8fd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/32bea51fe4c6e92c00403739f7547c89219bea88"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8c62c5e26345c34d199b4b8c8e69255ba3d0e751"},{"type":"WEB","url":"https://git.kernel.org/stable/c/99c09b298e47ebbe345a6da9f268b32a6b0f4582"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cd6374af36cc548464d8c47a93fdba7303bb82a4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dc2f78e2d4cc844a1458653d57ce1b54d4a29f21"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49318.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49318"},{"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":"c9b60788fc760d136211853f10ce73dc152d1f4a"},{"fixed":"0a7a1fc7e71eecf2e5053a6c312c9f0dcbb9b8fd"},{"fixed":"32bea51fe4c6e92c00403739f7547c89219bea88"},{"fixed":"99c09b298e47ebbe345a6da9f268b32a6b0f4582"},{"fixed":"cd6374af36cc548464d8c47a93fdba7303bb82a4"},{"fixed":"8c62c5e26345c34d199b4b8c8e69255ba3d0e751"},{"fixed":"dc2f78e2d4cc844a1458653d57ce1b54d4a29f21"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"bdffda8db8d9e0125b9a41edc420c39f9905c6ab"},{"last_affected":"aafb371575161e315a98dee978b72f9d5357791b"},{"last_affected":"ad19d1e78fd51f5b4bf3ebbcbf3a133c8c03c49d"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.4.172"},{"fixed":"4.5"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.9.144"},{"fixed":"4.10"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.14.86"},{"fixed":"4.15"}]}],"versions":["v4.4.171","v4.4.170","v4.4.169","v4.4.168","v4.4.167","v4.4.166","v4.9.143","v4.9.142","v4.14.85","v4.4.165","v4.9.141","v4.14.84","v4.14.83","v4.9.140","v4.4.164","v4.9.139","v4.9.138","v4.14.82","v4.4.163","v4.9.137","v4.14.81","v4.9.136","v4.14.80","v4.14.79","v4.9.135","v4.4.162","v4.14.78","v4.4.161","v4.9.134","v4.14.77","v4.14.76","v4.9.133","v4.14.75","v4.9.132","v4.4.160","v4.14.74","v4.9.131","v4.4.159","v4.9.130","v4.14.73","v4.4.158","v4.9.129","v4.14.72","v4.14.71","v4.9.128","v4.4.157","v4.4.156","v4.9.127","v4.14.70","v4.14.69","v4.9.126","v4.4.155","v4.4.154","v4.9.125","v4.14.68","v4.14.67","v4.9.124","v4.4.153","v4.4.152","v4.4.151","v4.9.123","v4.14.66","v4.4.150","v4.9.122","v4.14.65","v4.14.64","v4.9.121","v4.4.149","v4.14.63","v4.9.120","v4.4.148","v4.9.119","v4.14.62","v4.4.147","v4.4.146","v4.9.118","v4.14.61","v4.4.145","v4.9.117","v4.14.60","v4.9.116","v4.14.59","v4.14.58","v4.9.115","v4.4.144","v4.14.57","v4.9.114","v4.4.143","v4.14.56","v4.9.113","v4.4.142","v4.4.141","v4.14.55","v4.9.112","v4.4.140","v4.14.54","v4.9.111","v4.4.139","v4.14.53","v4.14.52","v4.9.110","v4.4.138","v4.9.109","v4.14.51","v4.14.50","v4.4.137","v4.9.108","v4.14.49","v4.9.107","v4.4.136","v4.14.48","v4.4.135","v4.9.106","v4.14.47","v4.9.105","v4.14.46","v4.9.104","v4.4.134","v4.14.45","v4.14.44","v4.9.103","v4.4.133","v4.4.132","v4.14.43","v4.9.102","v4.14.42","v4.9.101","v4.9.100","v4.14.41","v4.14.40","v4.9.99","v4.4.131","v4.14.39","v4.9.98","v4.4.130","v4.9.97","v4.14.38","v4.14.37","v4.9.96","v4.4.129","v4.14.36","v4.14.35","v4.9.95","v4.4.128","v4.9.94","v4.14.34","v4.4.127","v4.9.93","v4.14.33","v4.14.32","v4.9.92","v4.4.126","v4.4.125","v4.9.91","v4.14.31","v4.4.124","v4.9.90","v4.14.30","v4.14.29","v4.9.89","v4.4.123","v4.4.122","v4.9.88","v4.14.28","v4.14.27","v4.9.87","v4.4.121","v4.14.26","v4.14.25","v4.9.86","v4.4.120","v4.14.24","v4.14","v4.14.23","v4.9.85","v4.4.119","v4.14.22","v4.9.84","v4.4.118","v4.14.21","v4.9.83","v4.4.117","v4.4.116","v4.9.82","v4.14.20","v4.9.81","v4.14.19","v4.4.115","v4.9.80","v4.14.18","v4.14.17","v4.14.16","v4.9.79","v4.4.114","v4.14.15","v4.9.78","v4.4.113","v4.14.14","v4.9.77","v4.4.112","v4.14.13","v4.9.76","v4.4.111","v4.14.12","v4.9.75","v4.4.110","v4.14.11","v4.9.74","v4.4.109","v4.9.73","v4.4.108","v4.14.10","v4.14.9","v4.9.72","v4.14.8","v4.9.71","v4.4.107","v4.14.7","v4.9.70","v4.4.106","v4.14.6","v4.9.69","v4.4.105","v4.14.5","v4.9.68","v4.14.4","v4.9.67","v4.4.104","v4.14.3","v4.9.66","v4.4.103","v4.14.2","v4.9.65","v4.4.102","v4.14-rc1","v4.4.101","v4.14.1","v4.9.64","v4.4.100","v4.14-rc7","v4.9.63","v4.4.99","v4.9.62","v4.4.98","v4.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