AMD EPYC SEV-ES TMR memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in AMD EPYC. Affected is an unknown function of the component SEV-ES TMR. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2021-26324. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in AMD EPYC (affected version unknown). It has been classified as critical. This affects an unknown functionality of the component SEV-ES TMR. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 05/11/2022. The advisory is shared at amd.com. This vulnerability is uniquely identified as CVE-2021-26324 since 01/29/2021. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

01/29/2021 🔍
05/11/2022 +466 days 🔍
05/11/2022 +0 days 🔍
05/13/2022 +2 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2021-26324 (🔍)
GCVE (CVE): GCVE-0-2021-26324
GCVE (VulDB): GCVE-100-199473

Entryinfo

Created: 05/11/2022 10:09
Updated: 05/13/2022 14:27
Changes: 05/11/2022 10:09 (37), 05/13/2022 14:27 (1)
Complete: 🔍
Cache ID: 216::103

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

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