The MediaTek Product Security Bulletin contains details of security vulnerabilities affecting MediaTek Smartphone, Tablet, AIoT, Smart display, Smart platform, OTT and NBIoT chipsets. Device OEMs have been notified of all the issues and the corresponding security patches for at least two months before publication.
The severity of the identified vulnerabilities was conducted based on the Common Vulnerability Scoring System version 3.1 (CVSS v3.1).
The severity of the identified vulnerabilities was conducted based on the Common Vulnerability Scoring System version 3.1 (CVSS v3.1).
Summary
Details
| CVE | CVE-2022-26437 |
|---|---|
| Title | Out-of-bounds write in httpclient |
| Severity | High |
| Vulnerability Type | EoP |
| CWE | CWE-787 Out-of-bounds Write |
| Description | In httpclient, there is a possible out of bounds write due to uninitialized data. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT2621, MT2625 |
| Affected Software Versions | NBIOT SDK V2.8.1 |
| CVE | CVE-2022-21789 |
|---|---|
| Title | Concurrent execution using shared resource with improper synchronization ('race condition') in audio ipi |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') |
| Description | In audio ipi, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6779, MT6781, MT6785, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8791, MT8797, MT8798 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2022-21790 |
|---|---|
| Title | Improper input validation in camera isp |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-20 Improper Input Validation |
| Description | In camera isp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6833, MT6853, MT6873, MT6877, MT6893 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2022-21791 |
|---|---|
| Title | Improper input validation in camera isp |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-20 Improper Input Validation |
| Description | In camera isp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6833, MT6853, MT6873, MT6877, MT6885, MT6893 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2022-21792 |
|---|---|
| Title | Improper input validation in camera isp |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In camera isp, 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. |
| Affected Chipsets | MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6893 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2022-26426 |
|---|---|
| Title | Improper input validation in camera isp |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In camera isp, 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. |
| Affected Chipsets | MT6833, MT6853, MT6873, MT6877, MT6893, MT8167, MT8167S, MT8168, MT8175, MT8185, MT8362A, MT8365, MT8385, MT8666, MT8675, MT8765, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2022-26427 |
|---|---|
| Title | Improper input validation in camera isp |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In camera isp, 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. |
| Affected Chipsets | MT6833, MT6853, MT6873, MT6877, MT6893 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2022-26428 |
|---|---|
| Title | Concurrent execution using shared resource with improper synchronization ('race condition') in video codec |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') |
| Description | In video codec, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6739, MT6761, MT6765, MT6771, MT8163, MT8167, MT8173, MT8183, MT8362A, MT8385, MT8695 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2022-26429 |
|---|---|
| Title | Improper access control in cta |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-284 Improper Access Control |
| Description | In cta, there is a possible way to write permission usage records of an app due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6580, MT6735, MT6739, MT6757, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8168, MT8173, MT8185, MT8321, MT8365, MT8385, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 11.0, 12.0 |
| CVE | CVE-2022-21788 |
|---|---|
| Title | Detection of error condition without action in scp |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-390 Detection of Error Condition Without Action |
| Description | In scp, there is a possible undefined behavior due to incorrect error handling. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6879, MT6895, MT6983 |
| Affected Software Versions | Android 12.0 |
| CVE | CVE-2022-26430 |
|---|---|
| Title | Access of resource using incompatible type ('type confusion') in mailbox |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') |
| Description | In mailbox, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8185, MT8321, MT8385, MT8532, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 11.0, 12.0 or Yocto 3.1, 3.3 |
| CVE | CVE-2022-26431 |
|---|---|
| Title | Improper input validation in mailbox |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In mailbox, 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. |
| Affected Chipsets | MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8185, MT8321, MT8385, MT8532, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 11.0, 12.0 or Yocto 3.1, 3.3 |
| CVE | CVE-2022-26432 |
|---|---|
| Title | Improper input validation in mailbox |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In mailbox, 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. |
| Affected Chipsets | MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8185, MT8321, MT8385, MT8532, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 11.0, 12.0 or Yocto 3.1, 3.3 |
| CVE | CVE-2022-26433 |
|---|---|
| Title | Access of resource using incompatible type ('type confusion') in mailbox |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') |
| Description | In mailbox, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8532, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 11.0, 12.0 or Yocto 3.1, 3.3 |
| CVE | CVE-2022-26434 |
|---|---|
| Title | Improper input validation in mailbox |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In mailbox, 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. |
| Affected Chipsets | MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8532, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 11.0, 12.0 or Yocto 3.1, 3.3 |
| CVE | CVE-2022-26435 |
|---|---|
| Title | Access of resource using incompatible type ('type confusion') in mailbox |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') |
| Description | In mailbox, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8532, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 |
| Affected Software Versions | Android 11.0, 12.0 or Yocto 3.1, 3.3 |
| CVE | CVE-2022-26436 |
|---|---|
| Title | Improper input validation in emi mpu |
| Severity | Medium |
| Vulnerability Type | ID |
| CWE | CWE-20 Improper Input Validation |
| Description | In emi mpu, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. |
| Affected Chipsets | MT6855, MT6879, MT6895, MT6983 |
| Affected Software Versions | Android 12.0 |
| CVE | CVE-2022-26438 |
|---|---|
| Title | Improper input validation in wifi driver |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In wifi driver, 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. |
| Affected Chipsets | MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981 |
| Affected Software Versions | 7.6.2.3 |
| CVE | CVE-2022-26439 |
|---|---|
| Title | Improper input validation in wifi driver |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In wifi driver, 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. |
| Affected Chipsets | MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981 |
| Affected Software Versions | 7.6.2.3 |
| CVE | CVE-2022-26440 |
|---|---|
| Title | Improper input validation in wifi driver |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In wifi driver, 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. |
| Affected Chipsets | MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981 |
| Affected Software Versions | 7.6.2.3 |
| CVE | CVE-2022-26441 |
|---|---|
| Title | Improper input validation in wifi driver |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In wifi driver, 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. |
| Affected Chipsets | MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981 |
| Affected Software Versions | 7.6.2.3 |
| CVE | CVE-2022-26442 |
|---|---|
| Title | Improper input validation in wifi driver |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In wifi driver, 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. |
| Affected Chipsets | MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981 |
| Affected Software Versions | 7.6.2.3 |
| CVE | CVE-2022-26443 |
|---|---|
| Title | Improper input validation in wifi driver |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In wifi driver, 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. |
| Affected Chipsets | MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981 |
| Affected Software Versions | 7.6.2.3 |
| CVE | CVE-2022-26444 |
|---|---|
| Title | Improper input validation in wifi driver |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In wifi driver, 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. |
| Affected Chipsets | MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981 |
| Affected Software Versions | 7.6.2.3 |
| CVE | CVE-2022-26445 |
|---|---|
| Title | Improper input validation in wifi driver |
| Severity | Medium |
| Vulnerability Type | EoP |
| CWE | CWE-20 Improper Input Validation |
| Description | In wifi driver, 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. |
| Affected Chipsets | MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981 |
| Affected Software Versions | 7.6.2.3 |
Vulnerability Type Definition
| Abbreviation | Definition |
|---|---|
| RCE | Remote Code Execution |
| EoP | Elevation of Privilege |
| ID | Information Disclosure |
| DoS | Denial of Service |
| N/A | Classification not available |
Versions
| Version | Date | Description |
| 1.0 | August 1, 2022 | Bulletin published. |
Notes
Information above is generated only at the time of creation of this Security Bulletin. The list of affected chipsets could be not complete. For any further information, device OEMs can reach your MediaTek contact person if needed.
If you want to report a security vulnerability in MediaTek chipsets or products, please go to Report Security Vulnerability page on MediaTek website.
If you want to report a security vulnerability in MediaTek chipsets or products, please go to Report Security Vulnerability page on MediaTek website.