Linux Kernel up to 5.7 arch/x86/kvm/svm/svm.c set_memory_region_test infinite loop

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 5.7. This vulnerability affects the function set_memory_region_test of the file arch/x86/kvm/svm/svm.c. This manipulation causes infinite loop. The identification of this vulnerability is CVE-2020-36310. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 5.7 (Operating System). Affected by this vulnerability is the function set_memory_region_test of the file arch/x86/kvm/svm/svm.c. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability.

The weakness was shared 04/07/2021. The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2020-36310. Technical details are known, but no exploit is available.

Upgrading to version 5.8 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. 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.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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: Infinite loop
CWE: CWE-835 / 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: 🔍

Upgrade: Kernel 5.8
Patch: git.kernel.org

Timelineinfo

04/06/2021 🔍
04/07/2021 +1 days 🔍
04/07/2021 +0 days 🔍
04/11/2021 +4 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2020-36310 (🔍)
GCVE (CVE): GCVE-0-2020-36310
GCVE (VulDB): GCVE-100-172549

Entryinfo

Created: 04/07/2021 13:16
Updated: 04/11/2021 10:39
Changes: 04/07/2021 13:16 (43), 04/11/2021 10:39 (5)
Complete: 🔍
Cache ID: 216::103

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