AMD EPYC SMU memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in AMD EPYC. Affected by this vulnerability is an unknown functionality of the component SMU. The manipulation results in memory corruption. This vulnerability is identified as CVE-2021-26336. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in AMD EPYC (affected version not known). It has been classified as problematic. Affected is some unknown functionality of the component SMU. 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 availability.

The weakness was released 11/18/2021. The advisory is available at amd.com. This vulnerability is traded as CVE-2021-26336 since 01/29/2021. The technical details are unknown and an exploit is not 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: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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-2021-26336 (🔍)
GCVE (CVE): GCVE-0-2021-26336
GCVE (VulDB): GCVE-100-186846

Entryinfo

Created: 11/18/2021 07:30
Updated: 11/21/2021 12:31
Changes: 11/18/2021 07:30 (37), 11/21/2021 12:24 (1), 11/21/2021 12:31 (18)
Complete: 🔍
Cache ID: 216::103

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