Unisoc S8000 npu Driver use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Unisoc SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820 and S8000. Affected by this issue is some unknown functionality of the component npu Driver. Executing a manipulation can lead to use after free. This vulnerability is registered as CVE-2022-42754. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Unisoc SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820 and S8000. This vulnerability affects some unknown functionality of the component npu 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 npu driver, there is a memory corruption due to a use after free. This could lead to local denial of service in kernel.

The weakness was published 12/06/2022. The advisory is available at unisoc.com. This vulnerability was named CVE-2022-42754 since 10/11/2022. The technical details are unknown and an exploit is not available.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/11/2022 🔍
12/06/2022 +56 days 🔍
12/06/2022 +0 days 🔍
04/24/2025 +870 days 🔍

Sourcesinfo

Advisory: unisoc.com
Status: Confirmed

CVE: CVE-2022-42754 (🔍)
GCVE (CVE): GCVE-0-2022-42754
GCVE (VulDB): GCVE-100-214930

Entryinfo

Created: 12/06/2022 14:59
Updated: 04/24/2025 02:56
Changes: 12/06/2022 14:59 (36), 12/31/2022 09:18 (11), 04/24/2025 02:56 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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