{"id":"CVE-2022-2320","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-2320","generatedAt":"2026-10-27T19:57:04.368Z","title":"This flaw allows an attacker to escalate privileges and execute arbitrary code in the context of root.","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.","published":"2022-09-01T21:15:09.000Z","lastModified":"2026-06-17T04:41:41.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["x.org/x server"],"epss":{"score":0.00633,"percentile":0.50061,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dc","tags":["Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938","tags":["Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939","tags":["Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.html","tags":["Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://security.gentoo.org/glsa/202210-30","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://security.netapp.com/advisory/ntap-20221104-0003/","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-963/","tags":["Third Party Advisory","VDB Entry"],"source":"secalert@redhat.com"},{"url":"https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dc","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202210-30","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20221104-0003/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-963/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-2320","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}