{"cve":"CVE-2022-49318","nvd":{"published":"2025-02-26T07:01:08.660","modified":"2026-08-15T13:17:18.803","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/0a7a1fc7e71eecf2e5053a6c312c9f0dcbb9b8fd","https://git.kernel.org/stable/c/32bea51fe4c6e92c00403739f7547c89219bea88","https://git.kernel.org/stable/c/8c62c5e26345c34d199b4b8c8e69255ba3d0e751","https://git.kernel.org/stable/c/99c09b298e47ebbe345a6da9f268b32a6b0f4582","https://git.kernel.org/stable/c/cd6374af36cc548464d8c47a93fdba7303bb82a4"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49318","score":0.00262,"percentile":0.18079,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}