{"cve":"CVE-2022-2320","nvd":{"published":"2022-09-01T21:15:09.443","modified":"2026-06-17T04:41:41.470","status":"Modified","description":"A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. This flaw allows an attacker to escalate privileges and execute arbitrary code in the context of root.","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:H/A:H","score":7.8},"cwes":["CWE-787"],"references":["https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dc","https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938","https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939","https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.html","https://security.gentoo.org/glsa/202210-30"],"products":["x.org:x_server"],"source":"nvd","synced_at":"2026-10-19T21:35:14.992143698+00:00"},"epss":{"cve":"CVE-2022-2320","score":0.00633,"percentile":0.50352,"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."]}