{"id":"CVE-2022-20572","title":"In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check","summary":"In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is no…","severity":"medium","cvss":6.7,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-862","CWE-862"],"vendor":"google","product":"android","affected":["android"],"published":"2022-12-16","updated":"2026-10-14","sourceUpdated":"2026-10-14T16:17:22.910","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-20572","references":[{"url":"https://source.android.com/security/bulletin/pixel/2022-12-01","label":"security@android.com"},{"url":"https://source.android.com/security/bulletin/pixel/2022-12-01","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.006,"epssPercentile":0.47278,"ingestedAt":"2026-10-14T16:40:32.049Z","slug":"CVE-2022-20572","body":"## Overview\n\nIn verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-234475629References: Upstream kernel\n\n## Affected\n\n- `android`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":36.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}