AMD CPU UApp/ABL memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in AMD CPU and classified as critical. Affected by this vulnerability is an unknown functionality of the component UApp/ABL. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2021-26386. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in AMD CPU (Chip Software) (the affected version unknown). It has been rated as critical. This issue affects an unknown part of the component UApp/ABL. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 05/13/2022. It is possible to read the advisory at amd.com. The identification of this vulnerability is CVE-2021-26386 since 01/29/2021. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
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 🔍
05/13/2022 +468 days 🔍
05/13/2022 +0 days 🔍
05/15/2022 +2 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2021-26386 (🔍)
GCVE (CVE): GCVE-0-2021-26386
GCVE (VulDB): GCVE-100-199727

Entryinfo

Created: 05/13/2022 07:41
Updated: 05/15/2022 11:18
Changes: 05/13/2022 07:41 (38), 05/15/2022 11:18 (1)
Complete: 🔍
Cache ID: 216::103

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