Linux Kernel DECnet Socket null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel. It has been declared as problematic. This affects an unknown function of the component DECnet Socket Handler. The manipulation results in null pointer dereference. This vulnerability is known as CVE-2023-3338. Attacking locally is a requirement. Furthermore, an exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System) (version now known). It has been classified as problematic. Affected is some unknown processing of the component DECnet Socket Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The weakness was published 06/25/2023. The advisory is available at seclists.org. This vulnerability is traded as CVE-2023-3338 since 06/20/2023. Technical details are unknown but a public exploit is available.

The exploit is shared for download at seclists.org. It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at seclists.org.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 3.3
VulDB Temp Score: 2.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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: seclists.org

Timelineinfo

06/20/2023 🔍
06/25/2023 +5 days 🔍
06/25/2023 +0 days 🔍
07/18/2023 +23 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: seclists.org
Status: Not defined

CVE: CVE-2023-3338 (🔍)
GCVE (CVE): GCVE-0-2023-3338
GCVE (VulDB): GCVE-100-232350
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/25/2023 13:37
Updated: 07/18/2023 14:34
Changes: 06/25/2023 13:37 (42), 07/18/2023 14:30 (1), 07/18/2023 14:34 (11)
Complete: 🔍
Cache ID: 216::103

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