Resource exhaustion in MediaTek products - CVE-2021-0420
Published: March 7, 2023
Vulnerability identifier: #VU72926
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-0420
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to perform service disruption.
The vulnerability exists due to a missing bounds check within memory management driver. A local application can perform service disruption.
Affected software
MT6797
MT6757CD
MT6757CH
MT6758
MT6761
MT6762
MT6763
MT6765
MT6768
MT6769
MT6771
MT6795
MT6757C
MT6799
MT6833
MT6595
MT6582E
MT6582H
MT6582T
MT6582W
MT6582_90
MT6589
MT6589TD
MT6592E
MT6592H
MT6592T
MT6592W
MT6592_90
MT6580
MT6731
MT6732
MT6735
MT6737
MT6739
MT6750
MT6750S
MT6752
MT6753
MT6755
MT6755S
MT6757
MT6779
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT6757CD
MT6757CH
MT6758
MT6761
MT6762
MT6763
MT6765
MT6768
MT6769
MT6771
MT6795
MT6757C
MT6799
MT6833
MT6595
MT6582E
MT6582H
MT6582T
MT6582W
MT6582_90
MT6589
MT6589TD
MT6592E
MT6592H
MT6592T
MT6592W
MT6592_90
MT6580
MT6731
MT6732
MT6735
MT6737
MT6739
MT6750
MT6750S
MT6752
MT6753
MT6755
MT6755S
MT6757
MT6779
MT6785
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
How to mitigate CVE-2021-0420
Install security update from vendor's website.