AMD CPU x86 Instruction Sequence denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in AMD CPU. The impacted element is an unknown function of the component x86 Instruction Sequence Handler. The manipulation leads to denial of service. This vulnerability is listed as CVE-2021-26339. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in AMD CPU (Chip Software) (affected version unknown). This issue affects an unknown functionality of the component x86 Instruction Sequence Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was presented 05/12/2022. The advisory is shared at amd.com. The identification of this vulnerability is CVE-2021-26339 since 01/29/2021. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
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: Denial of service
CWE: CWE-404
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 🔍
05/12/2022 +467 days 🔍
05/12/2022 +0 days 🔍
05/14/2022 +2 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2021-26339 (🔍)
GCVE (CVE): GCVE-0-2021-26339
GCVE (VulDB): GCVE-100-199613

Entryinfo

Created: 05/12/2022 10:49
Updated: 05/14/2022 12:23
Changes: 05/12/2022 10:49 (38), 05/14/2022 12:15 (1), 05/14/2022 12:23 (1)
Complete: 🔍
Cache ID: 216::103

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