Linux Kernel Interface for Symmetric Key Cipher Algorithms crypto/algif_skcipher.c get_user_pages_fast denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Linux Kernel. Impacted is the function get_user_pages_fast of the file crypto/algif_skcipher.c of the component Interface for Symmetric Key Cipher Algorithms. Executing a manipulation can lead to denial of service. This vulnerability is registered as CVE-2023-3108. The attack needs to be launched locally. No exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability has been found in Linux Kernel (Operating System) (version unknown) and classified as problematic. This vulnerability affects the function get_user_pages_fast of the file crypto/algif_skcipher.c of the component Interface for Symmetric Key Cipher Algorithms. 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. CVE summarizes:

A flaw was found in the subsequent get_user_pages_fast in the Linux kernel’s interface for symmetric key cipher algorithms in the skcipher_recvmsg of crypto/algif_skcipher.c function. This flaw allows a local user to crash the system.

The weakness was published 07/11/2023 as 9399f0c51489ae8c16d6559b82a452fdc1895e91. The advisory is available at github.com. This vulnerability was named CVE-2023-3108 since 06/05/2023. Technical details are known, but there is no available exploit.

Applying the patch 9399f0c51489ae8c16d6559b82a452fdc1895e91 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CNA Base Score: 6.2
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 9399f0c51489ae8c16d6559b82a452fdc1895e91

Timelineinfo

06/05/2023 🔍
07/11/2023 +36 days 🔍
07/11/2023 +0 days 🔍
07/28/2023 +17 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 9399f0c51489ae8c16d6559b82a452fdc1895e91
Status: Confirmed

CVE: CVE-2023-3108 (🔍)
GCVE (CVE): GCVE-0-2023-3108
GCVE (VulDB): GCVE-100-233590

Entryinfo

Created: 07/11/2023 19:28
Updated: 07/28/2023 09:56
Changes: 07/11/2023 19:28 (54), 07/28/2023 09:56 (11)
Complete: 🔍
Cache ID: 216::103

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