Linux Kernel 5.7-rc6 MIDI use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Linux Kernel 5.7-rc6. Affected by this vulnerability is an unknown functionality of the component MIDI. Performing a manipulation results in use after free. This vulnerability was named CVE-2020-27786. The attack needs to be approached locally. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel 5.7-rc6 (Operating System). This affects an unknown code of the component MIDI. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 12/11/2020. It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2020-27786. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 🔍

Patch: git.kernel.org

Timelineinfo

10/27/2020 🔍
12/11/2020 +45 days 🔍
12/11/2020 +0 days 🔍
12/15/2020 +4 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2020-27786 (🔍)
GCVE (CVE): GCVE-0-2020-27786
GCVE (VulDB): GCVE-100-166023

Entryinfo

Created: 12/11/2020 09:59
Updated: 12/15/2020 21:28
Changes: 12/11/2020 09:59 (39), 12/15/2020 21:28 (5)
Complete: 🔍
Cache ID: 216::103

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