Summary
Multiple MediaTek chipsets contain an insufficient input validation vulnerability and have missing SELinux restrictions in the Command Queue drivers ioctl handlers. This causes an out-of-bounds write leading to privilege escalation. This vulnerability was observed chained with CVE-2019-2215 and CVE-2020-0041 under exploit chain "AbstractEmu."
- Vendor
- MediaTek
- Product
- Multiple Chipsets
- Added to KEV
- Nov 3, 2021
- Remediation due
- May 3, 2022 (US federal deadline)
- Ransomware use
- Not known
- Weakness
- CWE-787
- EPSS
- 1.4% as of Nov 12
In the news
- No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
- none recorded
References