VDB-223255 · CVE-2023-1390 · EUVD-2023-23646

Linux Kernel TIPC tipc_link_xmit excessive platform resource consumption within a loop

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7.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Linux Kernel. Affected is the function tipc_link_xmit of the component TIPC Module. This manipulation causes excessive platform resource consumption within a loop. This vulnerability is registered as CVE-2023-1390. Remote exploitation of the attack is possible. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel (Operating System) (the affected version is unknown). Affected by this vulnerability is the function tipc_link_xmit of the component TIPC Module. The manipulation with an unknown input leads to a excessive platform resource consumption within a loop vulnerability. The CWE definition for the vulnerability is CWE-1050. The product has a loop body or loop condition that contains a control element that directly or indirectly consumes platform resources, e.g. messaging, sessions, locks, or file descriptors. As an impact it is known to affect availability. The summary by CVE is:

A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipc_link_xmit() hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization for the system to instantly spike to 100%, causing a denial of service condition.

The weakness was published 03/17/2023 as b77413446408fdd256599daf00d5be72b5f3e7c6. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-1390 since 03/14/2023. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch b77413446408fdd256599daf00d5be72b5f3e7c6 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-23646). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: Excessive platform resource consumption within a loop
CWE: CWE-1050 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: b77413446408fdd256599daf00d5be72b5f3e7c6

Timelineinfo

03/14/2023 🔍
03/17/2023 +3 days 🔍
03/17/2023 +0 days 🔍
08/11/2025 +878 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: b77413446408fdd256599daf00d5be72b5f3e7c6
Status: Confirmed

CVE: CVE-2023-1390 (🔍)
GCVE (CVE): GCVE-0-2023-1390
GCVE (VulDB): GCVE-100-223255
EUVD: 🔍

Entryinfo

Created: 03/17/2023 06:55
Updated: 08/11/2025 07:30
Changes: 03/17/2023 06:55 (42), 04/11/2023 07:47 (10), 08/11/2025 07:30 (16)
Complete: 🔍
Cache ID: 216::103