CVE-2022-20109

7.8HIGH

Key Information:

Vendor
MediaTek
Status
Mt6580, Mt6735, Mt6737, Mt6739, Mt6750, Mt6750s, Mt6753, Mt6757, Mt6757c, Mt6757cd, Mt6757ch, Mt6761, Mt6762, Mt6763, Mt6765, Mt6768, Mt6769, Mt6771, Mt6779, Mt6781, Mt6785, Mt6797, Mt6833, Mt6853, Mt6853t, Mt6873, Mt6875, Mt6877, Mt6883, Mt6885, Mt6889, Mt6893, Mt8167, Mt8168, Mt8173, Mt8185, Mt8321, Mt8362a, Mt8365, Mt8385, Mt8666, Mt8675, Mt8695, Mt8696, Mt8765, Mt8766, Mt8768, Mt8786, Mt8788, Mt8789, Mt8791, Mt8797
Vendor
CVE Published:
3 May 2022

Summary

In ion, there is a possible use after free due to improper update of reference count. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06399915; Issue ID: ALPS06399915.

Affected Version(s)

MT6580, MT6735, MT6737, MT6739, MT6750, MT6750S, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6797, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6893, MT8167, MT8168, MT8173, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8666, MT8675, MT8695, MT8696, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 Android 9.0, 10.0, 11.0, 12.0

References

https://corp.mediatek.com/product-security-bulletin/May-2022
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.