Linux Kernel up to 4.16 BPF Subsystem kernel/bpf/core.c privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 4.16. This issue affects some unknown processing of the file kernel/bpf/core.c of the component BPF Subsystem. The manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2018-25020. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 4.16 (Operating System). This issue affects some unknown processing of the file kernel/bpf/core.c of the component BPF Subsystem. The impact remains unknown.

The weakness was disclosed 12/08/2021 as 050fad7c4534c13c8eb1d9c2ba66012e014773cb. The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-25020 since 12/08/2021. Technical details are known, but no exploit is available.

Upgrading to version 4.17 eliminates this vulnerability. Applying the patch 050fad7c4534c13c8eb1d9c2ba66012e014773cb is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best 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: 5.5
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: Privilege escalation
CWE: Unknown
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 4.17
Patch: 050fad7c4534c13c8eb1d9c2ba66012e014773cb

Timelineinfo

12/08/2021 🔍
12/08/2021 +0 days 🔍
12/08/2021 +0 days 🔍
12/10/2021 +2 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 050fad7c4534c13c8eb1d9c2ba66012e014773cb
Status: Confirmed

CVE: CVE-2018-25020 (🔍)
GCVE (CVE): GCVE-0-2018-25020
GCVE (VulDB): GCVE-100-187697

Entryinfo

Created: 12/08/2021 07:37
Updated: 12/10/2021 20:00
Changes: 12/08/2021 07:37 (42), 12/10/2021 20:00 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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