CVE-2023-20811 : In IOMMU, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of

CVSS scores for CVE-2023-20811

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
6.7	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	0.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2023-20811

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-20811

https://corp.mediatek.com/product-security-bulletin/August-2023

August 2023
Vendor Advisory

CVEs referencing this url

Products affected by CVE-2023-20811

Linux » Linux Kernel » Version: 4.19
cpe:2.3:o:linux:linux_kernel:4.19:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt5221 » Version: N/A
When used together with: Mediatek » Mt5583 » Version: N/A
When used together with: Mediatek » Mt5691 » Version: N/A
When used together with: Mediatek » Mt5695 » Version: N/A
When used together with: Mediatek » Mt9010 » Version: N/A
When used together with: Mediatek » Mt9011 » Version: N/A
When used together with: Mediatek » Mt9012 » Version: N/A
When used together with: Mediatek » Mt9016 » Version: N/A
When used together with: Mediatek » Mt9020 » Version: N/A
When used together with: Mediatek » Mt9021 » Version: N/A
When used together with: Mediatek » Mt9022 » Version: N/A
When used together with: Mediatek » Mt9030 » Version: N/A
When used together with: Mediatek » Mt9031 » Version: N/A
When used together with: Mediatek » Mt9032 » Version: N/A
When used together with: Mediatek » Mt9216 » Version: N/A
When used together with: Mediatek » Mt9218 » Version: N/A
When used together with: Mediatek » Mt9220 » Version: N/A
When used together with: Mediatek » Mt9221 » Version: N/A
When used together with: Mediatek » Mt9222 » Version: N/A
When used together with: Mediatek » Mt9255 » Version: N/A
When used together with: Mediatek » Mt9256 » Version: N/A
When used together with: Mediatek » Mt9266 » Version: N/A
When used together with: Mediatek » Mt9269 » Version: N/A
When used together with: Mediatek » Mt9286 » Version: N/A
When used together with: Mediatek » Mt9288 » Version: N/A
When used together with: Mediatek » Mt9602 » Version: N/A
When used together with: Mediatek » Mt9610 » Version: N/A
When used together with: Mediatek » Mt9611 » Version: N/A
When used together with: Mediatek » Mt9612 » Version: N/A
When used together with: Mediatek » Mt9613 » Version: N/A
When used together with: Mediatek » Mt9615 » Version: N/A
When used together with: Mediatek » Mt9617 » Version: N/A
When used together with: Mediatek » Mt9618 » Version: N/A
When used together with: Mediatek » Mt9629 » Version: N/A
When used together with: Mediatek » Mt9630 » Version: N/A
When used together with: Mediatek » Mt9631 » Version: N/A
When used together with: Mediatek » Mt9632 » Version: N/A
When used together with: Mediatek » Mt9636 » Version: N/A
When used together with: Mediatek » Mt9638 » Version: N/A
When used together with: Mediatek » Mt9639 » Version: N/A
When used together with: Mediatek » Mt9649 » Version: N/A
When used together with: Mediatek » Mt9650 » Version: N/A
When used together with: Mediatek » Mt9652 » Version: N/A
When used together with: Mediatek » Mt9653 » Version: N/A
When used together with: Mediatek » Mt9666 » Version: N/A
When used together with: Mediatek » Mt9667 » Version: N/A
When used together with: Mediatek » Mt9669 » Version: N/A
When used together with: Mediatek » Mt9671 » Version: N/A
When used together with: Mediatek » Mt9675 » Version: N/A
When used together with: Mediatek » Mt9685 » Version: N/A
When used together with: Mediatek » Mt9686 » Version: N/A
When used together with: Mediatek » Mt9688 » Version: N/A
Google » Android » Version: 10.0
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt5221 » Version: N/A
When used together with: Mediatek » Mt5583 » Version: N/A
When used together with: Mediatek » Mt5691 » Version: N/A
When used together with: Mediatek » Mt5695 » Version: N/A
When used together with: Mediatek » Mt9010 » Version: N/A
When used together with: Mediatek » Mt9011 » Version: N/A
When used together with: Mediatek » Mt9012 » Version: N/A
When used together with: Mediatek » Mt9016 » Version: N/A
When used together with: Mediatek » Mt9020 » Version: N/A
When used together with: Mediatek » Mt9021 » Version: N/A
When used together with: Mediatek » Mt9022 » Version: N/A
When used together with: Mediatek » Mt9030 » Version: N/A
When used together with: Mediatek » Mt9031 » Version: N/A
When used together with: Mediatek » Mt9032 » Version: N/A
When used together with: Mediatek » Mt9216 » Version: N/A
When used together with: Mediatek » Mt9218 » Version: N/A
When used together with: Mediatek » Mt9220 » Version: N/A
When used together with: Mediatek » Mt9221 » Version: N/A
When used together with: Mediatek » Mt9222 » Version: N/A
When used together with: Mediatek » Mt9255 » Version: N/A
When used together with: Mediatek » Mt9256 » Version: N/A
When used together with: Mediatek » Mt9266 » Version: N/A
When used together with: Mediatek » Mt9269 » Version: N/A
When used together with: Mediatek » Mt9286 » Version: N/A
When used together with: Mediatek » Mt9288 » Version: N/A
When used together with: Mediatek » Mt9602 » Version: N/A
When used together with: Mediatek » Mt9610 » Version: N/A
When used together with: Mediatek » Mt9611 » Version: N/A
When used together with: Mediatek » Mt9612 » Version: N/A
When used together with: Mediatek » Mt9613 » Version: N/A
When used together with: Mediatek » Mt9615 » Version: N/A
When used together with: Mediatek » Mt9617 » Version: N/A
When used together with: Mediatek » Mt9618 » Version: N/A
When used together with: Mediatek » Mt9629 » Version: N/A
When used together with: Mediatek » Mt9630 » Version: N/A
When used together with: Mediatek » Mt9631 » Version: N/A
When used together with: Mediatek » Mt9632 » Version: N/A
When used together with: Mediatek » Mt9636 » Version: N/A
When used together with: Mediatek » Mt9638 » Version: N/A
When used together with: Mediatek » Mt9639 » Version: N/A
When used together with: Mediatek » Mt9649 » Version: N/A
When used together with: Mediatek » Mt9650 » Version: N/A
When used together with: Mediatek » Mt9652 » Version: N/A
When used together with: Mediatek » Mt9653 » Version: N/A
When used together with: Mediatek » Mt9666 » Version: N/A
When used together with: Mediatek » Mt9667 » Version: N/A
When used together with: Mediatek » Mt9669 » Version: N/A
When used together with: Mediatek » Mt9671 » Version: N/A
When used together with: Mediatek » Mt9675 » Version: N/A
When used together with: Mediatek » Mt9685 » Version: N/A
When used together with: Mediatek » Mt9686 » Version: N/A
When used together with: Mediatek » Mt9688 » Version: N/A
Google » Android » Version: 11.0
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt5221 » Version: N/A
When used together with: Mediatek » Mt5583 » Version: N/A
When used together with: Mediatek » Mt5691 » Version: N/A
When used together with: Mediatek » Mt5695 » Version: N/A
When used together with: Mediatek » Mt9010 » Version: N/A
When used together with: Mediatek » Mt9011 » Version: N/A
When used together with: Mediatek » Mt9012 » Version: N/A
When used together with: Mediatek » Mt9016 » Version: N/A
When used together with: Mediatek » Mt9020 » Version: N/A
When used together with: Mediatek » Mt9021 » Version: N/A
When used together with: Mediatek » Mt9022 » Version: N/A
When used together with: Mediatek » Mt9030 » Version: N/A
When used together with: Mediatek » Mt9031 » Version: N/A
When used together with: Mediatek » Mt9032 » Version: N/A
When used together with: Mediatek » Mt9216 » Version: N/A
When used together with: Mediatek » Mt9218 » Version: N/A
When used together with: Mediatek » Mt9220 » Version: N/A
When used together with: Mediatek » Mt9221 » Version: N/A
When used together with: Mediatek » Mt9222 » Version: N/A
When used together with: Mediatek » Mt9255 » Version: N/A
When used together with: Mediatek » Mt9256 » Version: N/A
When used together with: Mediatek » Mt9266 » Version: N/A
When used together with: Mediatek » Mt9269 » Version: N/A
When used together with: Mediatek » Mt9286 » Version: N/A
When used together with: Mediatek » Mt9288 » Version: N/A
When used together with: Mediatek » Mt9602 » Version: N/A
When used together with: Mediatek » Mt9610 » Version: N/A
When used together with: Mediatek » Mt9611 » Version: N/A
When used together with: Mediatek » Mt9612 » Version: N/A
When used together with: Mediatek » Mt9613 » Version: N/A
When used together with: Mediatek » Mt9615 » Version: N/A
When used together with: Mediatek » Mt9617 » Version: N/A
When used together with: Mediatek » Mt9618 » Version: N/A
When used together with: Mediatek » Mt9629 » Version: N/A
When used together with: Mediatek » Mt9630 » Version: N/A
When used together with: Mediatek » Mt9631 » Version: N/A
When used together with: Mediatek » Mt9632 » Version: N/A
When used together with: Mediatek » Mt9636 » Version: N/A
When used together with: Mediatek » Mt9638 » Version: N/A
When used together with: Mediatek » Mt9639 » Version: N/A
When used together with: Mediatek » Mt9649 » Version: N/A
When used together with: Mediatek » Mt9650 » Version: N/A
When used together with: Mediatek » Mt9652 » Version: N/A
When used together with: Mediatek » Mt9653 » Version: N/A
When used together with: Mediatek » Mt9666 » Version: N/A
When used together with: Mediatek » Mt9667 » Version: N/A
When used together with: Mediatek » Mt9669 » Version: N/A
When used together with: Mediatek » Mt9671 » Version: N/A
When used together with: Mediatek » Mt9675 » Version: N/A
When used together with: Mediatek » Mt9685 » Version: N/A
When used together with: Mediatek » Mt9686 » Version: N/A
When used together with: Mediatek » Mt9688 » Version: N/A

Vulnerability Details : CVE-2023-20811

Exploit prediction scoring system (EPSS) score for CVE-2023-20811

CVSS scores for CVE-2023-20811

CWE ids for CVE-2023-20811

References for CVE-2023-20811

Products affected by CVE-2023-20811