AMD Ryzen 7045 Mobile Processors with Radeon Graphics SMM Communication toctou

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in AMD Ryzen 7045 Mobile Processors with Radeon Graphics, Ryzen 7000 Desktop Processors, Ryzen 9000HX Mobile Processors, Ryzen 8000 Desktop Processors, Ryzen 9000 Desktop Processors and Ryzen Embedded 7000 Processors. Affected is an unknown function of the component SMM Communication Handler. Executing a manipulation can lead to toctou. This vulnerability appears as CVE-2024-36311. The attack requires local access. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in AMD Ryzen 7045 Mobile Processors with Radeon Graphics, Ryzen 7000 Desktop Processors, Ryzen 9000HX Mobile Processors, Ryzen 8000 Desktop Processors, Ryzen 9000 Desktop Processors and Ryzen Embedded 7000 Processors and classified as problematic. This vulnerability affects an unknown functionality of the component SMM Communication Handler. 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:

A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.

The advisory is shared for download at amd.com. This vulnerability was named CVE-2024-36311 since 05/23/2024. The exploitation appears to be easy. The attack needs to be approached locally. Additional levels of successful authentication are necessary for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
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: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/23/2024 CVE reserved
02/11/2026 +629 days Advisory disclosed
02/11/2026 +0 days VulDB entry created
02/11/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2024-36311 (🔒)
GCVE (CVE): GCVE-0-2024-36311
GCVE (VulDB): GCVE-100-345388

Entryinfo

Created: 02/11/2026 05:01
Changes: 02/11/2026 05:01 (64)
Complete: 🔍
Cache ID: 216::103

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