AMD EPYC SNP_INIT VM_HSAVE_PA initialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in AMD EPYC. This impacts the function SNP_INIT. Executing a manipulation of the argument VM_HSAVE_PA can lead to initialization. The identification of this vulnerability is CVE-2021-26326. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in AMD EPYC (version unknown) and classified as problematic. This vulnerability affects the function SNP_INIT. The manipulation of the argument VM_HSAVE_PA with an unknown input leads to a initialization vulnerability. The CWE definition for the vulnerability is CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 11/18/2021. The advisory is shared for download at amd.com. This vulnerability was named CVE-2021-26326 since 01/29/2021. There are known technical details, but no exploit is 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: 6.6
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Initialization
CWE: CWE-665
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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 🔍
11/18/2021 +293 days 🔍
11/18/2021 +0 days 🔍
11/21/2021 +3 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2021-26326 (🔍)
GCVE (CVE): GCVE-0-2021-26326
GCVE (VulDB): GCVE-100-186844

Entryinfo

Created: 11/18/2021 07:28
Updated: 11/21/2021 12:02
Changes: 11/18/2021 07:28 (37), 11/21/2021 11:54 (1), 11/21/2021 12:02 (18)
Complete: 🔍
Cache ID: 216::103

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