{"cve":"CVE-2024-41077","nvd":{"published":"2024-07-29T15:15:15.303","modified":"2026-06-17T07:47:13.963","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnull_blk: fix validation of block size\n\nBlock size should be between 512 and PAGE_SIZE and be a power of 2. The current\ncheck does not validate this, so update the check.\n\nWithout this patch, null_blk would Oops due to a null pointer deref when\nloaded with bs=1536 [1].\n\n\n[axboe: remove unnecessary braces and != 0 check]","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":["CWE-476"],"references":["https://git.kernel.org/stable/c/08f03186b96e25e3154916a2e70732557c770ea7","https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e","https://git.kernel.org/stable/c/9625afe1dd4a158a14bb50f81af9e2dac634c0b1","https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0","https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:53:51.317825789+00:00"},"epss":{"cve":"CVE-2024-41077","score":0.00225,"percentile":0.13239,"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."]}