CVE-2023-20849: Use After Free
First published: Mon Sep 04 2023(Updated: )
In imgsys_cmdq, there is a possible use after free due to a missing valid range checking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS07340433; Issue ID: ALPS07340350.
Credit: security@mediatek.com security@mediatek.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linuxfoundation Yocto | =4.0 | |
| Mediatek Iot Yocto | =23.0 | |
| Google Android | =11.0 | |
| Google Android | =12.0 | |
| Linux Linux kernel | =6.1 | |
| Mediatek Mt2713 | ||
| Mediatek Mt6895 | ||
| Mediatek Mt6897 | ||
| Mediatek Mt6983 | ||
| Mediatek Mt8188 | ||
| Mediatek Mt8195 | ||
| Mediatek Mt8395 | ||
| Mediatek Mt8781 | ||
| All of | ||
| Any of | ||
| Linuxfoundation Yocto | =4.0 | |
| Mediatek Iot Yocto | =23.0 | |
| Google Android | =11.0 | |
| Google Android | =12.0 | |
| Linux Linux kernel | =6.1 | |
| Any of | ||
| Mediatek Mt2713 | ||
| Mediatek Mt6895 | ||
| Mediatek Mt6897 | ||
| Mediatek Mt6983 | ||
| Mediatek Mt8188 | ||
| Mediatek Mt8195 | ||
| Mediatek Mt8395 | ||
| Mediatek Mt8781 |
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Frequently Asked Questions
What is CVE-2023-20849?
CVE-2023-20849 is a vulnerability in imgsys_cmdq that allows for a use after free, potentially leading to local escalation of privilege.
What software versions are affected by CVE-2023-20849?
Linuxfoundation Yocto 4.0, Mediatek Iot Yocto 23.0, Google Android 11.0 and 12.0, and Linux Linux Kernel 6.1 are affected by CVE-2023-20849.
How severe is CVE-2023-20849?
CVE-2023-20849 has a severity rating of 6.5 out of 10, making it a medium-severity vulnerability.
What is the patch ID for CVE-2023-20849?
The patch ID for CVE-2023-20849 is ALPS07340433.
Is user interaction required for exploitation of CVE-2023-20849?
Yes, user interaction is needed for the exploitation of CVE-2023-20849.
- agent/author
- agent/type
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/references
- agent/severity
- agent/weakness
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- vendor/linuxfoundation
- canonical/linuxfoundation yocto
- version/linuxfoundation yocto/4.0
- vendor/mediatek
- canonical/mediatek iot yocto
- version/mediatek iot yocto/23.0
- vendor/google
- canonical/google android
- version/google android/11.0
- version/google android/12.0
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/6.1
- canonical/mediatek mt2713
- canonical/mediatek mt6895
- canonical/mediatek mt6897
- canonical/mediatek mt6983
- canonical/mediatek mt8188
- canonical/mediatek mt8195
- canonical/mediatek mt8395
- canonical/mediatek mt8781