Linux Kernel up to 4.14.15 net/sctp/socket.c use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability was found in Linux Kernel up to 4.14.15 (Operating System). It has been rated as critical. This issue affects an unknown function of the file net/sctp/socket.c. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was published 06/08/2021. It is possible to read the advisory at sites.google.com. The identification of this vulnerability is CVE-2018-25015. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 4.14.16 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.

Productinfo

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Vendor

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

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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
ATT&CK: Unknown

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 4.14.16
Patch: git.kernel.org

Timelineinfo

06/07/2021 🔍
06/08/2021 +1 days 🔍
06/08/2021 +0 days 🔍
06/10/2021 +2 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: sites.google.com
Status: Confirmed

CVE: CVE-2018-25015 (🔍)

Entryinfo

Created: 06/08/2021 08:02
Updated: 06/10/2021 14:04
Changes: 06/08/2021 08:02 (42), 06/10/2021 14:04 (5)
Complete: 🔍

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