{"id":"CVE-2021-0655","aliases":["EUVD-2021-3274","GHSA-m2j5-4f43-v224"],"status":"published","title":"In mdlactl driver, there is a possible memory corruption due to an incorrect bounds check. This...","description":"In mdlactl driver, there is a possible memory corruption due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05673424; Issue ID: ALPS05673424.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00116,"percentile":0.01649,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-787"],"published":"2021-11-18T14:57:08Z","modified":"2026-06-17T03:30:28Z","products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/November-2021","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0655"},{"url":"https://github.com/advisories/GHSA-m2j5-4f43-v224"}],"sources":{"cve":[{"id":"CVE-2021-0655","description":"In mdlactl driver, there is a possible memory corruption due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05673424; Issue ID: ALPS05673424.","status":"published","published":"2021-11-18T14:57:08Z","modified":"2024-08-03T15:47:28.249Z","updated_at":"2026-11-02T14:33:10.555814Z"}],"euvd":[{"id":"EUVD-2021-3274","description":"In mdlactl driver, there is a possible memory corruption due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05673424; Issue ID: ALPS05673424.","status":"published","published":"2021-11-18T14:57:08Z","modified":"2024-08-03T15:47:28Z","updated_at":"2026-11-03T03:25:16.546422Z"}],"ghsa":[{"id":"GHSA-m2j5-4f43-v224","title":"In mdlactl driver, there is a possible memory corruption due to an incorrect bounds check. This...","description":"In mdlactl driver, there is a possible memory corruption due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05673424; Issue ID: ALPS05673424.","status":"published","published":"2022-05-24T19:21:05Z","modified":"2023-01-27T05:03:24Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:42:14.302128Z"}],"nvd":[{"id":"CVE-2021-0655","description":"In mdlactl driver, there is a possible memory corruption due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05673424; Issue ID: ALPS05673424.","status":"published","published":"2021-11-18T15:15:08.453Z","modified":"2026-06-17T03:30:28.993Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}