Linux Kernel IPv4 net/ipv4/fib_semantics.c fib_nh_match out-of-bounds

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Linux Kernel. It has been rated as problematic. This issue affects the function fib_nh_match of the file net/ipv4/fib_semantics.c of the component IPv4 Handler. Performing a manipulation results in out-of-bounds.
This vulnerability is reported as CVE-2022-3435. The attack is possible to be carried out remotely. No exploit exists.
Applying a patch is the recommended action to fix this issue.
Details
A vulnerability classified as problematic has been found in Linux Kernel (Operating System) (version unknown). This affects the function fib_nh_match of the file net/ipv4/fib_semantics.c of the component IPv4 Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality.
The weakness was disclosed 10/08/2022. The advisory is shared at lore.kernel.org. This vulnerability is uniquely identified as CVE-2022-3435. Technical details are known, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 236648 (Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)), 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 vulnerability database at Tenable (236648). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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: 4.3VulDB Meta Temp Score: 4.2
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 4.3
CNA Vector (VulDB): 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 236648
Nessus Name: Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: lore.kernel.org
Timeline
10/08/2022 🔍10/08/2022 🔍
05/18/2025 🔍
Sources
Vendor: kernel.orgAdvisory: lore.kernel.org
Status: Confirmed
CVE: CVE-2022-3435 (🔍)
GCVE (CVE): GCVE-0-2022-3435
GCVE (VulDB): GCVE-100-210357
Entry
Created: 10/08/2022 09:38Updated: 05/18/2025 21:54
Changes: 10/08/2022 09:38 (41), 10/31/2022 13:24 (11), 10/31/2022 13:29 (1), 05/18/2025 21:54 (16)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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