{"cve":"CVE-2022-49289","nvd":{"published":"2025-02-26T07:01:05.757","modified":"2026-08-04T10:17:43.170","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nuaccess: fix integer overflow on access_ok()\n\nThree architectures check the end of a user access against the\naddress limit without taking a possible overflow into account.\nPassing a negative length or another overflow in here returns\nsuccess when it should not.\n\nUse the most common correct implementation here, which optimizes\nfor a constant 'size' argument, and turns the common case into a\nsingle comparison.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":7.1},"cwes":["CWE-190"],"references":["https://git.kernel.org/stable/c/222ca305c9fd39e5ed8104da25c09b2b79a516a8","https://git.kernel.org/stable/c/99801e2f457824955da4aadaa035913a6dede03a","https://git.kernel.org/stable/c/a1ad747fc1a0e06d1bf26b996ee8a56b5c8d02d8","https://git.kernel.org/stable/c/e65d28d4e9bf90a35ba79c06661a572a38391dec"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49289","score":0.00275,"percentile":0.19963,"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."]}