Linux Kernel up to 5.11.8 Cloning Operation fs/btrfs/ctree.c get_old_root denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.11.8 and classified as problematic. This impacts the function get_old_root of the file fs/btrfs/ctree.c of the component Cloning Operation Handler. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2021-28964. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 5.11.8 (Operating System). This vulnerability affects the function get_old_root of the file fs/btrfs/ctree.c of the component Cloning Operation Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was disclosed 03/22/2021. The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2021-28964. There are known technical details, but no exploit is 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.

Once again VulDB remains the best 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: 4.1
VulDB Meta Temp Score: 4.0

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: 🔍

Patch: git.kernel.org

Timelineinfo

03/22/2021 🔍
03/22/2021 +0 days 🔍
03/22/2021 +0 days 🔍
04/03/2021 +12 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2021-28964 (🔍)
GCVE (CVE): GCVE-0-2021-28964
GCVE (VulDB): GCVE-100-171532

Entryinfo

Created: 03/22/2021 18:23
Updated: 04/03/2021 15:33
Changes: 03/22/2021 18:23 (42), 04/03/2021 15:29 (5), 04/03/2021 15:33 (18)
Complete: 🔍
Cache ID: 216::103

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