Unisoc S8000 sprd_sysdump Driver buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Unisoc SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820 and S8000. It has been rated as critical. Affected by this issue is some unknown functionality of the component sprd_sysdump Driver. The manipulation leads to buffer overflow. This vulnerability is handled as CVE-2022-39118. Attacking locally is a requirement. There is no exploit available. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability was found in Unisoc SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820 and S8000. It has been declared as critical. Affected by this vulnerability is an unknown function of the component sprd_sysdump Driver. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect availability. The summary by CVE is:

In sprd_sysdump driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service in kernel.

The weakness was disclosed 01/04/2023. The advisory is shared at unisoc.com. This vulnerability is known as CVE-2022-39118 since 09/01/2022. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

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

09/01/2022 🔍
01/04/2023 +125 days 🔍
01/04/2023 +0 days 🔍
04/10/2025 +827 days 🔍

Sourcesinfo

Advisory: unisoc.com
Status: Confirmed

CVE: CVE-2022-39118 (🔍)
GCVE (CVE): GCVE-0-2022-39118
GCVE (VulDB): GCVE-100-217357

Entryinfo

Created: 01/04/2023 01:23 PM
Updated: 04/10/2025 05:34 PM
Changes: 01/04/2023 01:23 PM (37), 01/28/2023 08:07 AM (9), 04/10/2025 05:34 PM (17)
Complete: 🔍
Cache ID: 18:5ED:40

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