CVE-2022-21775: Use After Free
First published: Wed Jul 06 2022(Updated: )
In sched driver, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06479032; Issue ID: ALPS06479032.
Credit: security@mediatek.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | =11.0 | |
| Android | =12.0 | |
| MediaTek MT2601 | ||
| MediaTek MT6761 | ||
| MediaTek MT6762M | ||
| MediaTek MT6763 | ||
| MediaTek MT6765 | ||
| MediaTek MT6768 | ||
| MediaTek MT6769 | ||
| MediaTek MT6771 | ||
| MediaTek MT6779 | ||
| MediaTek MT6781 | ||
| MediaTek MT6785T | ||
| MediaTek M6789 | ||
| MediaTek MT6795 | ||
| MediaTek MT6797 | ||
| MediaTek MT6799 | ||
| MediaTek MT6833 | ||
| MediaTek MT6853 | ||
| MediaTek MT6853T | ||
| MediaTek MT6873 | ||
| MediaTek MT6875T | ||
| MediaTek MT6877 | ||
| MediaTek MT6879 | ||
| MediaTek MT6883 | ||
| MediaTek MT6885 | ||
| MediaTek MT6889 | ||
| MediaTek MT6891 | ||
| MediaTek MT6893 | ||
| MediaTek MT6895 | ||
| Mediatek MT8167 | ||
| MediaTek MT8167S Firmware | ||
| MediaTek MT8168 | ||
| MediaTek MT8173 | ||
| MediaTek MT8185 | ||
| MediaTek MT8321 | ||
| MediaTek MT8362A Firmware | ||
| MediaTek MT8365 Firmware | ||
| MediaTek MT8385 Firmware | ||
| MediaTek MT8666 | ||
| MediaTek MT8675 | ||
| MediaTek MT8768 | ||
| MediaTek MT8786 | ||
| MediaTek MT8788 Firmware | ||
| MediaTek MT8789 | ||
| MediaTek MT8791 WiFi | ||
| MediaTek MT8797 WiFi |
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Frequently Asked Questions
What is the severity of CVE-2022-21775?
The severity of CVE-2022-21775 is medium with a CVSS score of 6.7.
How does CVE-2022-21775 affect Google Android?
CVE-2022-21775 affects Google Android versions 11.0 and 12.0.
Does CVE-2022-21775 affect Mediatek Mt2601?
No, CVE-2022-21775 does not affect Mediatek Mt2601.
Is user interaction needed for exploitation of CVE-2022-21775?
No, user interaction is not needed for exploitation of CVE-2022-21775.
How can I fix CVE-2022-21775?
To fix CVE-2022-21775, apply the patch with ID ALPS06479032 provided by Mediatek.
- agent/type
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/first-publish-date
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/google
- canonical/android
- version/android/11.0
- version/android/12.0
- vendor/mediatek
- canonical/mediatek mt2601
- canonical/mediatek mt6761
- canonical/mediatek mt6762m
- canonical/mediatek mt6763
- canonical/mediatek mt6765
- canonical/mediatek mt6768
- canonical/mediatek mt6769
- canonical/mediatek mt6771
- canonical/mediatek mt6779
- canonical/mediatek mt6781
- canonical/mediatek mt6785t
- canonical/mediatek m6789
- canonical/mediatek mt6795
- canonical/mediatek mt6797
- canonical/mediatek mt6799
- canonical/mediatek mt6833
- canonical/mediatek mt6853
- canonical/mediatek mt6853t
- canonical/mediatek mt6873
- canonical/mediatek mt6875t
- canonical/mediatek mt6877
- canonical/mediatek mt6879
- canonical/mediatek mt6883
- canonical/mediatek mt6885
- canonical/mediatek mt6889
- canonical/mediatek mt6891
- canonical/mediatek mt6893
- canonical/mediatek mt6895
- canonical/mediatek mt8167
- canonical/mediatek mt8167s firmware
- canonical/mediatek mt8168
- canonical/mediatek mt8173
- canonical/mediatek mt8185
- canonical/mediatek mt8321
- canonical/mediatek mt8362a firmware
- canonical/mediatek mt8365 firmware
- canonical/mediatek mt8385 firmware
- canonical/mediatek mt8666
- canonical/mediatek mt8675
- canonical/mediatek mt8768
- canonical/mediatek mt8786
- canonical/mediatek mt8788 firmware
- canonical/mediatek mt8789
- canonical/mediatek mt8791 wifi
- canonical/mediatek mt8797 wifi