Linux Kernel up to 5.10-rc5 infiniband hfi1 Driver use after free

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 was found in Linux Kernel up to 5.10-rc5 and classified as critical. The impacted element is an unknown function of the component infiniband hfi1 Driver. Executing a manipulation can lead to use after free. This vulnerability is handled as CVE-2020-27835. It is possible to launch the attack on the local host. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.10-rc5 (Operating System). It has been declared as critical. This vulnerability affects an unknown code of the component infiniband hfi1 Driver. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect availability.

The weakness was released 01/08/2021. The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2020-27835. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.10-rc6 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

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: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: 🔍

Upgrade: Kernel 5.10-rc6

Timelineinfo

01/08/2021 🔍
01/08/2021 +0 days 🔍
01/08/2021 +0 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2020-27835 (🔍)
GCVE (CVE): GCVE-0-2020-27835
GCVE (VulDB): GCVE-100-167416

Entryinfo

Created: 01/08/2021 07:24
Changes: 01/08/2021 07:24 (40)
Complete: 🔍
Cache ID: 216::103

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