CVE-2023-20733: Use After Free
First published: Tue Jun 06 2023(Updated: )
In vcu, 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: ALPS07645149; Issue ID: ALPS07645149.
Credit: security@mediatek.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linuxfoundation Iot-yocto | =22.2 | |
| Linuxfoundation Yocto | =4.0 | |
| Google Android | =12.0 | |
| Google Android | =13.0 | |
| Mediatek Mt6768 | ||
| Mediatek Mt6769 | ||
| Mediatek Mt6779 | ||
| Mediatek Mt6781 | ||
| Mediatek Mt6785 | ||
| Mediatek Mt6789 | ||
| Mediatek Mt6833 | ||
| Mediatek Mt6853 | ||
| Mediatek Mt6853t | ||
| Mediatek Mt6873 | ||
| Mediatek Mt6875 | ||
| Mediatek Mt6877 | ||
| Mediatek Mt6883 | ||
| Mediatek Mt6885 | ||
| Mediatek Mt6889 | ||
| Mediatek Mt6891 | ||
| Mediatek Mt6893 | ||
| Mediatek Mt8168 | ||
| Mediatek Mt8365 | ||
| Mediatek Mt8395 |
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Frequently Asked Questions
What is CVE-2023-20733?
CVE-2023-20733 is a vulnerability in vcu that allows for a use after free due to improper locking, leading to potential escalation of privilege.
How severe is CVE-2023-20733?
CVE-2023-20733 has a severity value of 6.7, which is considered medium severity.
Which software is affected by CVE-2023-20733?
CVE-2023-20733 affects Linuxfoundation Iot-yocto 22.2, Linuxfoundation Yocto 4.0, Google Android 12.0, and Google Android 13.0.
Is user interaction needed to exploit CVE-2023-20733?
No, user interaction is not needed for exploitation of CVE-2023-20733.
How can I fix CVE-2023-20733?
To fix CVE-2023-20733, apply the patch ID ALPS07645149 or update the affected software with the provided fixes.
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/softwarecombine
- agent/tags
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/linuxfoundation
- canonical/linuxfoundation iot-yocto
- version/linuxfoundation iot-yocto/22.2
- canonical/linuxfoundation yocto
- version/linuxfoundation yocto/4.0
- vendor/google
- canonical/google android
- version/google android/12.0
- version/google android/13.0
- vendor/mediatek
- canonical/mediatek mt6768
- canonical/mediatek mt6769
- canonical/mediatek mt6779
- canonical/mediatek mt6781
- canonical/mediatek mt6785
- canonical/mediatek mt6789
- canonical/mediatek mt6833
- canonical/mediatek mt6853
- canonical/mediatek mt6853t
- canonical/mediatek mt6873
- canonical/mediatek mt6875
- canonical/mediatek mt6877
- canonical/mediatek mt6883
- canonical/mediatek mt6885
- canonical/mediatek mt6889
- canonical/mediatek mt6891
- canonical/mediatek mt6893
- canonical/mediatek mt8168
- canonical/mediatek mt8365
- canonical/mediatek mt8395