Linux Kernel llcp_sock_bind 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$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel. This impacts the function llcp_sock_bind. This manipulation causes use after free. This vulnerability is registered as CVE-2020-25670. No exploit is available.

Detailsinfo

A vulnerability has been found in Linux Kernel (Operating System) (affected version unknown) and classified as critical. Affected by this vulnerability is the function llcp_sock_bind. 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 confidentiality, integrity, and availability.

The weakness was published 05/26/2021. It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2020-25670. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/26/2021).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Type

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.5
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: Use after free
CWE: CWE-416 / CWE-119
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/16/2020 🔍
05/26/2021 +252 days 🔍
05/26/2021 +0 days 🔍
05/29/2021 +3 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: openwall.com
Status: Not defined

CVE: CVE-2020-25670 (🔍)
GCVE (CVE): GCVE-0-2020-25670
GCVE (VulDB): GCVE-100-175855

Entryinfo

Created: 05/26/2021 19:11
Updated: 05/29/2021 14:57
Changes: 05/26/2021 19:11 (37), 05/29/2021 14:57 (2)
Complete: 🔍
Cache ID: 216::103

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

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