{"cve":"CVE-2022-48946","nvd":{"published":"2024-10-21T20:15:06.020","modified":"2026-06-17T05:16:41.027","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nudf: Fix preallocation discarding at indirect extent boundary\n\nWhen preallocation extent is the first one in the extent block, the\ncode would corrupt extent tree header instead. Fix the problem and use\nudf_delete_aext() for deleting extent to avoid some code duplication.","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/12a88f572d6d94b5c0b72e2d1782cc2e96ac06cf","https://git.kernel.org/stable/c/1a075f4a549481ce6e8518d8379f193ccec6b746","https://git.kernel.org/stable/c/4d835efd561dfb9bf5409f11f4ecd428d5d29226","https://git.kernel.org/stable/c/63dbbd8f1499b0a161e701a04aa50148d60bd1f7","https://git.kernel.org/stable/c/72f651c96c8aadf087fd782d551bf7db648a8c2e"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:56:33.105311382+00:00"},"epss":{"cve":"CVE-2022-48946","score":0.00254,"percentile":0.1705,"date":"2026-10-31"},"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."]}