VDB-213610 · CVE-2022-30773 · GCVE-0-2022-30773

insyde Kernel prior 05.44.23/05.52.23 IhisiSmm Driver toctou

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in insyde Kernel. Affected by this issue is some unknown functionality of the component IhisiSmm Driver. Executing a manipulation can lead to toctou. This vulnerability is registered as CVE-2022-30773. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in insyde Kernel and classified as problematic. This vulnerability affects an unknown code block of the component IhisiSmm Driver. The manipulation with an unknown input leads to a toctou vulnerability. The CWE definition for the vulnerability is CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack). DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack). This issue was discovered by Insyde engineering. This issue is fixed in Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23. CWE-367

The weakness was published 11/15/2022. The advisory is available at insyde.com. This vulnerability was named CVE-2022-30773 since 05/16/2022. The technical details are unknown and an exploit is not available.

Upgrading to version 05.44.23 or 05.52.23 eliminates this vulnerability.

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

Productinfo

Vendor

insyde

Name

Kernel

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.4
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 05.44.23/05.52.23

Timelineinfo

05/16/2022 🔍
11/15/2022 +183 days 🔍
11/15/2022 +0 days 🔍
05/01/2025 +898 days 🔍

Sourcesinfo

Advisory: insyde.com
Status: Confirmed

CVE: CVE-2022-30773 (🔍)
GCVE (CVE): GCVE-0-2022-30773
GCVE (VulDB): GCVE-100-213610

Entryinfo

Created: 11/15/2022 08:39
Updated: 05/01/2025 02:04
Changes: 11/15/2022 08:39 (38), 12/18/2022 08:44 (12), 05/01/2025 02:04 (15)
Complete: 🔍
Cache ID: 216::103