CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.5 | $0-$5k | 0.00 |
A vulnerability has been found in MediaTek MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6795, MT6797, MT6799, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6889, MT6891, MT6893, MT6895, MT8167, MT8167S, MT8168, MT8173, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8666, MT8675, MT8768, MT8786, MT8788, MT8789, MT8791 and MT8797 (Chip Software) and classified as critical. This vulnerability affects an unknown part of the component sched Driver. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
In sched driver, 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: ALPS06479032; Issue ID: ALPS06479032.
The weakness was disclosed 07/07/2022 as ALPS06479032. The advisory is shared for download at corp.mediatek.com. This vulnerability was named CVE-2022-21775 since 11/26/2021. There are neither technical details nor an exploit publicly available.
Applying the patch ALPS06479032 is able to eliminate this problem.
Product
Type
Vendor
Name
- MT6761
- MT6762
- MT6763
- MT6765
- MT6768
- MT6769
- MT6771
- MT6779
- MT6781
- MT6785
- MT6789
- MT6795
- MT6797
- MT6799
- MT6833
- MT6853
- MT6853T
- MT6873
- MT6875
- MT6877
- MT6879
- MT6883
- MT6885
- MT6889
- MT6891
- MT6893
- MT6895
- MT8167
- MT8167S
- MT8168
- MT8173
- MT8185
- MT8321
- MT8362A
- MT8365
- MT8385
- MT8666
- MT8675
- MT8768
- MT8786
- MT8788
- MT8789
- MT8791
- MT8797
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.7VulDB Meta Temp Score: 6.5
VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.7
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: ALPS06479032
Timeline
11/26/2021 🔍07/07/2022 🔍
07/07/2022 🔍
07/19/2022 🔍
Sources
Advisory: ALPS06479032Status: Confirmed
CVE: CVE-2022-21775 (🔍)
Entry
Created: 07/07/2022 11:58Updated: 07/19/2022 18:39
Changes: 07/07/2022 11:58 (41), 07/19/2022 18:39 (17)
Complete: 🔍
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