VDB-217085 · CVE-2022-42270 · GCVE-0-2022-42270

NVIDIA Linux nvdla_emu_task_submit stack-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in NVIDIA Linux. Affected by this vulnerability is the function nvdla_emu_task_submit. The manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2022-42270. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in NVIDIA Linux (affected version unknown) and classified as critical. This issue affects the function nvdla_emu_task_submit. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

NVIDIA distributions of Linux contain a vulnerability in nvdla_emu_task_submit, where unvalidated input may allow a local attacker to cause stack-based buffer overflow in kernel code, which may lead to escalation of privileges, compromised integrity and confidentiality, and denial of service.

The weakness was published 12/31/2022. The advisory is shared at nvidia.custhelp.com. The identification of this vulnerability is CVE-2022-42270 since 10/03/2022. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/31/2022).

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

NVIDIA

Name

Linux

License

open-source

Website

Vendor: https://www.nvidia.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.3

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (NVIDIA Corporation): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/03/2022 🔍
12/31/2022 +89 days 🔍
12/31/2022 +0 days 🔍
12/31/2022 +0 days 🔍

Sourcesinfo

Vendor: nvidia.com

Advisory: nvidia.custhelp.com
Status: Confirmed

CVE: CVE-2022-42270 (🔍)
GCVE (CVE): GCVE-0-2022-42270
GCVE (VulDB): GCVE-100-217085

Entryinfo

Created: 12/31/2022 09:27
Changes: 12/31/2022 09:27 (47)
Complete: 🔍
Cache ID: 216::103