{"id":"CVE-2023-20811","aliases":["EUVD-2023-24990","GHSA-h7pm-9cgw-c7ch"],"status":"published","title":"In IOMMU, there is a possible out of bounds write due to a missing bounds check. This could lead...","description":"In IOMMU, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: DTV03692061; Issue ID: DTV03692061.","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":"2026-11-09","score":0.00093,"percentile":0.00522,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-08-07T03:22:00Z","modified":"2026-06-17T05:30:54Z","products":[{"vendor":"google","product":"android"},{"vendor":"linux","product":"linux_kernel"},{"vendor":"mediatek, inc.","product":"mt5221, mt5583, mt5691, mt5695, mt9010, mt9011, mt9012, mt9016, mt9020, mt9021, mt9022, mt9030, mt9031, mt9032, mt9216, mt9218, mt9220, mt9221, mt9222, mt9255, mt9256, mt9266, mt9269, mt9286, mt9288, mt9602, mt9610, mt9611, mt9612, mt9613, mt9615, mt9617, mt9618, mt9629, mt9630, mt9631, mt9632, mt9636, mt9638, mt9639, mt9649, mt9650, mt9652, mt9653, mt9666, mt9667, mt9669, mt9671, mt9675, mt9685, mt9686, mt9688"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/August-2023","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20811"},{"url":"https://github.com/advisories/GHSA-h7pm-9cgw-c7ch"}],"sources":{"cve":[{"id":"CVE-2023-20811","description":"In IOMMU, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: DTV03692061; Issue ID: DTV03692061.","status":"published","published":"2023-08-07T03:22:00.788Z","modified":"2024-12-04T15:11:49.404Z","updated_at":"2026-11-02T14:35:13.368958Z"}],"euvd":[{"id":"EUVD-2023-24990","description":"In IOMMU, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: DTV03692061; Issue ID: DTV03692061.","status":"published","published":"2023-08-07T03:22:00Z","modified":"2024-12-04T15:11:49Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"none"}],"updated_at":"2026-11-03T00:04:41.381577Z"}],"ghsa":[{"id":"GHSA-h7pm-9cgw-c7ch","title":"In IOMMU, there is a possible out of bounds write due to a missing bounds check. This could lead...","description":"In IOMMU, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: DTV03692061; Issue ID: DTV03692061.","status":"published","published":"2023-08-07T06:30:28Z","modified":"2024-04-04T06:35:19Z","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-787"],"updated_at":"2026-11-02T14:56:43.722866Z"}],"nvd":[{"id":"CVE-2023-20811","description":"In IOMMU, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: DTV03692061; Issue ID: DTV03692061.","status":"published","published":"2023-08-07T04:15:14.367Z","modified":"2026-06-17T05:30:54.1Z","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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:20.798312Z"}]}}