{"id":"CVE-2022-23091","aliases":["EUVD-2022-28196","GHSA-66rh-g7jv-6752"],"status":"published","title":"Memory disclosure by stale virtual memory mapping","description":"A particular case of memory sharing is mishandled in the virtual memory system.  This is very similar to SA-21:08.vm, but with a different root cause.\n\nAn unprivileged local user process can maintain a mapping of a page after it is freed, allowing that process to read private data belonging to other processes or the kernel.","severity":{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00174,"percentile":0.0697,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-401"],"published":"2024-02-15T05:11:35Z","modified":"2026-06-17T04:29:29Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-22:11.vm.asc","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20240415-0008/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23091"},{"url":"https://security.netapp.com/advisory/ntap-20240415-0008"},{"url":"https://github.com/advisories/GHSA-66rh-g7jv-6752"}],"sources":{"cve":[{"id":"CVE-2022-23091","title":"Memory disclosure by stale virtual memory mapping","description":"A particular case of memory sharing is mishandled in the virtual memory system.  This is very similar to SA-21:08.vm, but with a different root cause.\n\nAn unprivileged local user process can maintain a mapping of a page after it is freed, allowing that process to read private data belonging to other processes or the kernel.","status":"published","published":"2024-02-15T05:11:35.101Z","modified":"2025-02-13T16:29:02.596Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:34:29.842547Z"}],"euvd":[{"id":"EUVD-2022-28196","description":"A particular case of memory sharing is mishandled in the virtual memory system.  This is very similar to SA-21:08.vm, but with a different root cause.\n\nAn unprivileged local user process can maintain a mapping of a page after it is freed, allowing that process to read private data belonging to other processes or the kernel.","status":"published","published":"2024-02-15T05:11:35Z","modified":"2025-02-13T16:29:02Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:03:52.752782Z"}],"ghsa":[{"id":"GHSA-66rh-g7jv-6752","title":"A particular case of memory sharing is mishandled in the virtual memory system.  This is very...","description":"A particular case of memory sharing is mishandled in the virtual memory system.  This is very similar to SA-21:08.vm, but with a different root cause.\n\nAn unprivileged local user process can maintain a mapping of a page after it is freed, allowing that process to read private data belonging to other processes or the kernel.","status":"published","published":"2024-02-15T06:31:36Z","modified":"2024-10-28T21:31:37Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:58:37.515988Z"}],"nvd":[{"id":"CVE-2022-23091","description":"A particular case of memory sharing is mishandled in the virtual memory system.  This is very similar to SA-21:08.vm, but with a different root cause.\n\nAn unprivileged local user process can maintain a mapping of a page after it is freed, allowing that process to read private data belonging to other processes or the kernel.","status":"published","published":"2024-02-15T06:15:45.147Z","modified":"2026-06-17T04:29:29.537Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:07:40.49892Z"}]}}