| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Linux Kernel. The affected element is an unknown function of the component eBPF. The manipulation leads to input validation. This vulnerability is listed as CVE-2023-39191. There is no available exploit. It is recommended to apply a patch to fix this issue.
Details
A vulnerability was found in Linux Kernel (Operating System) (affected version unknown). It has been rated as problematic. This issue affects an unknown functionality of the component eBPF. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. The impact remains unknown.
The weakness was presented 09/30/2023 as ZDI-23-1489. It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2023-39191 since 07/25/2023. The technical details are unknown and an exploit is not publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 226424 (Linux Distros Unpatched Vulnerability : CVE-2023-39191), which helps to determine the existence of the flaw in a target environment.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at lore.kernel.org.
The vulnerability is also documented in the databases at Tenable (226424) and EUVD (EUVD-2023-42926). Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.2
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.2
NVD Vector: 🔍
CNA Base Score: 8.2
CNA Vector (Red Hat, Inc.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 226424
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-39191
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: lore.kernel.org
Timeline
07/25/2023 🔍09/30/2023 🔍
09/30/2023 🔍
07/23/2025 🔍
Sources
Vendor: kernel.orgAdvisory: ZDI-23-1489
Status: Confirmed
CVE: CVE-2023-39191 (🔍)
GCVE (CVE): GCVE-0-2023-39191
GCVE (VulDB): GCVE-100-240983
EUVD: 🔍
Entry
Created: 09/30/2023 14:54Updated: 07/23/2025 21:40
Changes: 09/30/2023 14:54 (39), 10/22/2023 21:22 (1), 10/22/2023 21:32 (12), 08/21/2024 21:40 (28), 03/06/2025 00:35 (4), 07/23/2025 21:40 (2)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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