{"id":"CVE-2025-58150","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-58150","generatedAt":"2026-10-28T03:41:26.192Z","title":"That size can be larger than the variable, and bounding of the writes was missing.","description":"Shadow mode tracing code uses a set of per-CPU variables to avoid\ncumbersome parameter passing.  Some of these variables are written to\nwith guest controlled data, of guest controllable size.  That size can\nbe larger than the variable, and bounding of the writes was missing.","published":"2026-01-28T16:16:13.000Z","lastModified":"2026-06-17T09:43:59.000Z","status":"Analyzed","sourceIdentifier":"security@xen.org","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["xen/xen"],"epss":{"score":0.00148,"percentile":0.03993,"date":"2026-10-27","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 (0.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://xenbits.xenproject.org/xsa/advisory-477.html","tags":["Mitigation","Patch","Vendor Advisory"],"source":"security@xen.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/01/27/1","tags":["Mailing List","Mitigation","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://xenbits.xen.org/xsa/advisory-477.html","tags":["Mailing List","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-58150","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."}